Ls1 Crank Relearn Procedure

Trans Fast Learn: Trigger the transmission fast learn procedure. Probably have to pull the intake to get it off. This page provides practical advice on how to fix limp mode to get you back on the road again. This list includes all parts replaced for this Heads and Cam swap on an LS truck motor. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. CRANK IAC = Cranking needs extra air to help the engine spin to a higher RPM and to generate very full cylinders for maximum power to fire up the engine against the cold oil. Make model info: 2000 ('00) Buick Regal LS with OEM 3. Now, this is for a stock Corvette LS1 from early 2003 so the pinouts maybe different for earlier year models. If this test fails, but steps 14 and 15 passed, you most likely have a bad PMD. Can you provide the VIN? We'll check it further. We have gathered all of the most frequently asked questions and problems relating to the Holden Captiva in one spot to help you decide if it's a smart buy. Performs a crank position sensor relearn. Check the "Possible Causes" listed above. CRANKSHAFT POSITION VARIATION LEARN PROCEDURE: The crankshaft position sensor is at the bottom of the timing cover next to the crankshaft vibration. Crank Position Relearn Procedure Technical Q&A MDS 8. These instructions are for the coding of ignition keys only to the Immobiliser and not for. Long Island City, NY 11101 ENGINE CONTROLS AND FUEL SYSTEMS. that code is usally a bad pcm. 2008 Trailblazer LS 4. Put the ignition key in the RUN position (no crank). What is the cam/crank position varience re-learn procedure and how do i do it - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Order Camshaft Position Sensor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. i could be wrong, but I believe that procedure came along with the switch from a hardware based knock filter to a software based one(98 or so for most/all V6 stuff). After cleaning, RPMs jumped to 3000 and would not idle down. When the engine temperature sensor fails it displays similar symptoms as with engine crankshaft position sensor failure. Passlock will flash 3 times then stay on when I turn the switch. Then you'll have to go through a code-clearing procedure--extra work you don't want. Moreover, the computer may have to relearn some driveability trim settings, which may leave you with a. com NOTE: IF the theft deterrent relearn procedure does not work, please try the procedure again, before calling Technical Services. •Turn the ignition OFF for 15 seconds. Most vehicles will start right up. After they remove the codes, the PATS module will accept any keys with the simple procedure. We sell engine computers programmed to your vehicle, it is the end users responsibility to to both the vehicle theft deterrent relearn, crankshaft variation relearn and idle relearn to make the computer functional on the vehicle when applicable. 69 cubic inches). Relearn Procedures This procedure must be performed after installing our bypass component to teach your computer the code of your new component. The LS1 or 'Generation III' was a 5. These instructions will save you a lot of money. Circuit Description. Lucas EPIC TDDi - Fuel Injection pump Lucas EPIC turbo-diesel systems sold in Europe require adaptation after each key-recoding. MY FIRST ENCOUNTER WITH THE "SECURITY LIGHT" I had crashed my 2001 Cavalier into a snowplow so i bought a car from an "acquaintance" very cheap. Yes iCarsoft i900 can so a crankshaft relearn procedure, but it depends on the vehicle. If you have long skinny fingers you can get at it without taking the starter off maybe. CRANKSHAFT, ENGINE, CRANKSHAFT POSITION SENSOR, FLYWHEEL, & HARMONIC BALANCER If any of the above items are replaced, then a Crankshaft Profile Correction relearn is necessary. im putting in this engine next week. 3 v6 vortech engine, the vehicle was misfiring really bad when i hit 3,000 rpm, i checked it with my obd2 scanner and it gave me a code that the crankshaft sensor was bad so i replaced it but know she wont start i checked everything and i am not getting any spark at any of the spark plug wires and i have replaced the dist. If you’ve replaced your GM electronic throttle body or you’ve disconnected the battery, you must do a GM throttle body relearn to establish a new baseline idle. The PCM needs to learn the variability of the Crankshaft Position Sensor to better detect misfire conditions. CRANKSHAFT POSITION VARIATION LEARN PROCEDURE: The crankshaft position sensor is at the bottom of the timing cover next to the crankshaft vibration. Restore battery power and place air conditioning controls (if equipped) in the "off" position. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. LS1 03 GM PCM VATS reset on my conversion you must perform the passkey relearn procedure. When I built my 5. “Crank relearn” refers to a GM service procedure that has to do with the calibration of the PCM to a specific engine’s crankshaft position sensor (CKP sensor). COMPUTER RELEARN PROCEDURES 2001 Chevrolet Camaro GENERAL INFORMATION 2001 Domestic Computer Relearn Procedures INTRODUCTION BODY CONTROLS Vehicles equipped with body, air conditioning, anti-lock brake or memory computers may require a computer relearn procedure after components are replaced or the vehicle battery is disconnected. Program A New PATS Key HOW TO PROGRAM A REPLACEMENT PATS KEY DISCLAMER Use manual PATS procedures at your own risk. Some cars require a relearn for the antitheft system and the crankshaft variation. So I need some help, My Scan tool VATS Relearn wont connect so i tried doing it the normal way. It seemed to relearn it successfully, no security codes with either computer now. seems easy enough but i want some professional advice. Throttle Position Sensor repair/replacement? 2001 Camaro (self. Some people have other ways to do it like letting it idle for a few minutes, or driving on the highway for 10 miles, but none of these work. Since we upgraded to a bigger crank and the larger intake pieces, the current thought is that we have to do the crank relearn procedure, which we'll attempt on Monday. What you are talking about is the security relearn. If increasing the tire's air pressure, do not exceed the maximum inflation. My vehicle is idoling really high when i am just sitting and if i pull up to a light it acts like it wants to turn off When i first start car in morning i let it warm up the electronis throtle light comes on blinking i then turn car off and back on and it goes away the engine light stays on though. For now anyway. Bailey Line Road 103,400 views. Also, note that we have a valve guide seal replacement guide which may be helpful. This includes CASE (crankshaft variation relearn) Thanks go to OKIE5. Searched on here for 'low idle LS1' and 'stalling at lights' etc and eventually came to this thread. With vats active i get code P1631 and car starts for about 1 sec then dies. LINCOLN > 2005 > LS > 3. It only needs to feed 1 hole. In some cases, certain modules may not regain their normal function after the battery has been recharged because the module requires a special relearn procedure. Ok, after doing a lot of research on the matter through various LS1 and Vette forums, this is what others had done in order to get access to the CASE learn procedure in HPtuners. Details about LS1 LS6 LQ4 LQ9 LS Engine Crank Crankshaft Sensor Pickup Crank Crankshaft Sensor Pickup Reluctor Ring 24x do a crank relearn procedure. The tiny thing that keeps your car working, often falls prey to regular wear and tear, and therefore must be taken care of. This article applies to the Honda Civic (1992-2000), and Accord (1990-2002). 3L PCM ECM ECU Engine Computer $199. The Crankshaft Position (CKP) sensor sends pulses to the PCM as the reluctor wheel teeth rotate past the CKP sensor. The crankshaft position sensor is positioned so that teeth on the reluctor ring attached to the crankshaft pass close to the sensor tip. GM Crankshaft Variation Relearn All 1996 and newer GM vehicles with FLASH reprogramming ECCs. Is there any way I c. •Turn the A/C ON for 10 seconds, if equipped. The 2002 Chevrolet Impala has 224 problems reported for passlock problem, won't start and security light is on. This is for a 24x model (BLACK crankshaft sensor) system. That may just be when the ECM is replaced that it sets that code and a relearn hasn't been done right away. - 2003 Galant LS (retired) There is a computer reset procedure that allows the computer to relearn its idle position. Once the CASE relearn is done, it's done. Yes it will run. I dont think the HP tuners method requires any credits to purchase either. Remove battery power for one (1) minute. A normal reading would be 200mV, but again. You do not have to redo it if you switch back to your stock PCM or unplug the battery. (Page 1 of 12). 3 v6 vortech engine, the vehicle was misfiring really bad when i hit 3,000 rpm, i checked it with my obd2 scanner and it gave me a code that the crankshaft sensor was bad so i replaced it but know she wont start i checked everything and i am not getting any spark at any of the spark plug wires and i have replaced the dist. First diagnose P0315 code. I cant speak for GTO's with 100% certainty but the crank relearn procedure made all the difference in the world on a 2008 TBSS with a new motor I tuned a while back. Visually inspect the related wiring harness and connectors. You may be dealing with a wire, connector, or related component failure that you can fix yourself. I reconnected the battery and before even starting, i scanned and the above codes came up. 3 for researching and posting on another forum FWIW here are some GM Relearn Procedures. Chevy Silverado 1999-2005, Chevy Suburban 2000-2005, Chevy (2,649 View) Building The Chevy Ls Engine - Crankshaft (1,648 View) Crankshaft Variation Relearn Procedure Must Be (906 View) The 2 0l Fsi Turbocharged Engine Design And (1,026 View) Gm Auto Books & Posters - Repair (1,038 View). Vehicle computers memorize and store. Hold the phones and put down the wrenches. Keep in mind that I only see this problem on days 80° degrees and warmer. 0 AC volts - this will vary slightly with cranking speed. Many car makers including GM started installing fly by wire electronic throttle bodies. Yes it will run. 3L MIL Lamp on, P0315 Posted to GM Driveability on 11/14/2006 3 Replies after replacing pcm per related repair history, find unable to perform crankshaft variation relearn procedure. Before starting the procedure, you must log the PID "Fast Learn Status" in the scanner to be informed of various required operator actions and steps in the process. This car does not crank. GM LS Crankshaft Reluctor Wheel Installation Tool RRJ350. Jackass Award - GM Pickups Fuel Pump Control Module The 2008 Silverado sitting in my shop has a crank no start but will run on starting fluid. Crank angle Relearn Crank position Relearn Crank variation Relearn Case learn Crankshaft learn Crankshaft position variation learn. The dealer said this was the problem and was somewhat common with ECM changes on these type engines. First diagnose P0315 code. No tools are required to complete this procedure and it can be accomplished 30 to 45 minutes after the PCM is. 2007-10 GMC Chevrolet Avalanche TPMS reset If this is your first visit to The TPMS Forum, be sure to check out the FAQ by clicking the link above. I dont think the HP tuners method requires any credits to purchase either. Now, this is for a stock Corvette LS1 from early 2003 so the pinouts maybe different for earlier year models. Whenever the PCM is replaced, the Crankshaft Position Sensor Relearn procedure needs to be completed. If you are having idle issue you may need to reset your Idle Air Control (IAC) and. Just a thought. This list includes all parts replaced for this Heads and Cam swap on an LS truck motor. It's definitely in there. Check the "Possible Causes" listed above. I can't remember if the crank relearn DTC will set though on the way there. Report Post Edit/Delete Message. I see this a lot working on cars GM vehicles equipped with Passlock. No tools are required to complete this procedure and it can be accomplished 30 to 45 minutes after the PCM is. Security Relearn Procedure. Went for a drive with no luck. 5k Ohms and attached one end of the sting to one white wire and the other side to the other white wire. I tried three times with the Aeroforce procedure and had no luck. LS motors have crank trigger wheels that are NOT fit accurately from the factory - they can be off as much as 20 degrees. LS1 03 GM PCM VATS reset on my conversion you must perform the passkey relearn procedure. At this point frustration is making me grasp at anything. If your car runs rough when idling, the cause just might be a dirty throttle body. BTW: You'll know if you HAVE to do a Crank Relearn because it sets the Crank Relearn DTC every time you key on or start the engine. Please note that not all Lucas EPIC systems are covered at this time. A scan tool is needed for this procedure. TPS, do this before you start drilling holes in your throttle body (TB) blade. Now have power to everything except it will not start. P0335 Crankshaft Position Sensor Relearn procedure. 2003 Chevrolet Suburban 1500 LS 5. IAC Relearn Procedure. Ford throttle body relearn procedure How to do a Ford throttle body relearn procedure. This article applies to the Honda Civic (1992-2000), and Accord (1990-2002). We have done several similar motor swaps for other people and they turned out great. Chevy Silverado 1999-2005, Chevy Suburban 2000-2005, Chevy (2,649 View) Building The Chevy Ls Engine - Crankshaft (1,648 View) Crankshaft Variation Relearn Procedure Must Be (906 View) The 2 0l Fsi Turbocharged Engine Design And (1,026 View) Gm Auto Books & Posters - Repair (1,038 View). A relearn is necessary anytime that the physical relationship between the crank and the crank position sensor is disturbed, or if the PCM is replaced. Ensure hood is closed. Is this true?? Im wanting to buy a new computer from WAIT4ME but I keep hearing about getting the crank relearned. SOURCE: 2006 cobalt will not crank I have replaced battery , starter checked all fuses and relays and ran security relearn procedure. If you have a Mitsubishi 3. LS1 03 GM PCM VATS reset on my conversion you must perform the passkey relearn procedure. What are the common causes of code P0507 ? Depending on year, make, and model, DTC P0507 may have number of causes. 3 for researching and posting on another forum FWIW here are some GM Relearn Procedures. Activate the Crankshaft Position System Variation Learn Procedure with the scan tool. Some unusual symptoms: 1. You can always port the pump and other. For the model year 2007, GM has 66 named vehicles, not including Isuzu, Saab, and Suzuki im-ports. 1) Monitor your IAC, Idle Speed, throttle position voltage and your throttle position %. MY FIRST ENCOUNTER WITH THE "SECURITY LIGHT" I had crashed my 2001 Cavalier into a snowplow so i bought a car from an "acquaintance" very cheap. When your Gen III (LS1, etc) or Gen IV (LS2, etc) based car or truck was put together and factory-tested, one of the procedures it went through was the "crank learn" procedure. NOTE: IF the theft deterrent relearn procedure does not work, please try the procedure again, before calling Technical Services. I reconnected the battery and before even starting, i scanned and the above codes came up. The PCM relearns the crank target window spacing during Decel Fuel Shutoff mode The PCM reset step requires 3 closed throttle decelerations from 55 mph in order to relearn the Crank Target Spacing. New plug wires (same thing) Crank sensor (same thing). However, at warm engines, the thin oil and easy combustion doesn’t need as much air to achieve a successful start, and too much will cause a very large flare of the RPMs. As im going to write entire the new file, Zippy said a crank relearn is a must. disconnected battery again, shorting leads. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. This coding is described in a separate document related to Bosch PSG diagnosis. The ECU stores diagnostic trouble codes when it senses a malfunction so a mechanic can fix it later. Does anyone know the procedure to get an ls1 pcm in a vx commodore to learn the vats code. There is a no-crank problem on vehicles without PATS Starter disable. FLUID CHECK PROCEDURE Due to its lack of dipstick, checking the fluid level on vehicles equipped with this transmission can be very timeconsuming and confusing. Things to do: • Review Service Procedures and Technical Service Bulletins (TSBs) for latest information. When the engine temperature sensor fails it displays similar symptoms as with engine crankshaft position sensor failure. “Low volts, < 8” This is an indication of either a battery in a state of very. Circuit Description. Apply parking brake. GM Gen III LS PCM/ECM: Tuning Software and Equipment includes instructional photos, checklists, and step-by-step instructions on upgrading to the GM Gen III LS-Series PCM, ECM, Electronics, and POWERTRAIN CONTROL SYSTEMS. My vehicle is idoling really high when i am just sitting and if i pull up to a light it acts like it wants to turn off When i first start car in morning i let it warm up the electronis throtle light comes on blinking i then turn car off and back on and it goes away the engine light stays on though. NOTE: IF the theft deterrent relearn procedure does not work, please try the procedure again, before calling Technical Services. Any time I had issues with crank relearn, it usually always boiled down to the PCM not. This procedure will not learn the start enable password. A scan tool is needed for this procedure. I recently installed a pro-billet distributor #8456, 6AL-BTM control unit #6462, blaster TFI coil #8227, harness #8874, and 8. That may just be when the ECM is replaced that it sets that code and a relearn hasn't been done right away. We have been throught the VATS relearn procedure twice. The Crankshaft Position Sensor Relearn procedure requires the use of a scan tool that has this feature equipped. Pins 16 and 18 of the clear PCM connector need to be connected to ground to preform a crank learn procedure. I have a lot i wanna get done this weekend, and the last thing ill do before i turn the key is install my new 2Bar SD Tune from Zippy. It's also the ECU's job to store your driving data to customize. Anyone with a Tech II (such as a GM dealership) can perform this. I solved all the trouble I was having with my silverado by installing a self made ground harness thru the truck connected to engine, computer, body, dash,trans,abs throttle body, and where ever I thought it would need it with one. Circuit Description. I can't remember if the crank relearn DTC will set though on the way there. Verify engine is idling at 0% throttle with no external engine rpm control. Truck has 1/2 tank of fuel Lights, wipers, radio all work. The tiny thing that keeps your car working, often falls prey to regular wear and tear, and therefore must be taken care of. Yes it will run. In this article, we’ll show you how to clean an EGR valve. com GM LS Crankshaft Reluctor Wheel Installation Tool RRJ350 • Aligns GM# 12559353 and 12586768 sensor rings on the crankshaft in the correct phased position • Indexes the dowel hole of the flange to the dowel hole of the sensor ring • US Patent No. Fuse box diagram. The Passlock family has two basic relearn procedures—a ten-minute procedure and a thirty-minute procedure—and which one you use depends on the system and what components have been replaced. With a Scan Tool, Clear the DTC. lol This may be of some help 97-2003 Engine CASE learn procedure: Turn the key to on position Turn. I dont think the HP tuners method requires any credits to purchase either. Affects "engine braking," as fuel is cutoff and a reduced amount of spark advance is used (spark retard) to. The Sierra uses a magnetic crank sensor. Do not use this procedure as a substitute for a 10-minute relearn when replacing or reprogramming a TDM or ECM. You don't need any expensive tools to test the crank sensor on your 4. Connect a scan tool to the vehicle in the pass-thru arrangement. PATS is an acronym that stands for Passive Anti-Theft System (Ford also calls this SecuriLock). DTC P1336 Crankshaft Position (CKP) System Variation Not Learned. Mark the right timing chain and install it the same as before. Tools You'll Need: Multimeter. NO CRANK/NO START. Performs a crank position sensor relearn. Autel, Launch etc. RELEARN PROCEDURES IMPORTANT: Please note that the Theft Deterrent Password Relearn must be performed first, otherwise the vehicle may not start. Back in 1992, General Motors introduced a new type of fuel injection system known as CPI or (Central Port Injection), or also known as CMFI (Central Multi-Point Fuel Injection). Hi guys, I have a Chrysler 300m 2004, 3. 3L, select and run the Idle Learn Reset test. Products available online or at local retailers. How To Reset/Relearn TPMS w/New Sensors Shakercars's 1972 Trans Am. This generic procedure will often help an engine that fails to relearn the idle speed. To set the retard with the scan tool, the section you do that in is. Installed the new BCM, and relearned via the 10 min. • Industry Announcements. That may just be when the ECM is replaced that it sets that code and a relearn hasn't been done right away. The TPMS sensors may also be matched to each tire/wheel position by increasing or decreasing the tire's air pressure. On saturday i arrived back home and turned the car off then remembered i forgot to get milk so i tried to turn it back on and nothing. If CASE has not been learned, check for the presence of other power train codes. On some vehicles (Bonneville, Regal, Impala SS, Monte Carlo SS, and 2004+ Grand Prix) it will be necessary to perform this Security Relearn Procedure before the car can be started. can anybody tell how to do a crank relearn, or better yet what does it do?? I have heard people say that you can do it with a scan tool. The most common repair is to replace the ignition lock cylinder or Passlock sensor and perform a relearn procedure. Most vehicles will start right up. After you install the sensor a relearn procedure needs to be done. Follow these procedures EXACTLY or you will have to start from scratch. While the cleaning procedure is pretty normal across the board with GM, there are 6 different relearn procedures listed, and a lot that require no relearn at all. •Turn the ignition to crank and run engine at idle speed, to confirm the linking procedure has been successful. Need to be done if you have replaced the balancer , crankshaft sensor or a new PCM that hasn't been programed. Then you'll have to go through a code-clearing procedure--extra work you don't want. The security system goes out or stops working and leaves you stranded. After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. The removal of electrical power from the engine erases idle memory from the PCM, the computer where it is stored. The crankshaft position sensor is at the bottom of the timing cover next to the crankshaft vibration damper. any info will help!. A crank variation relearn often. I can’t tell you how many times I have seen this on GM vehicles. Crankshaft Relearn Select Crank Relearn on the scan tool to allow the PCM to enable a fast CMP and CKP Sensor relearn procedure. World’s top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. Re: computer relearn procedure 07-23-05 01:26 AM - Post# 745697 In response to jsburb Well first off, I'd hardly call that guy a tech. These procedures are the responsibility of the end user. Program A New PATS Key HOW TO PROGRAM A REPLACEMENT PATS KEY DISCLAMER Use manual PATS procedures at your own risk. Installed the new BCM, and relearned via the 10 min. If this test passes, and you have followed this procedure from the beginning, then you most likely need an injection pump. It has been misfiring for a while since. As such they lack a mechanical carburetor and instead split the function of the carburetor into three parts, namely the air flow meter in the air cleaner box, the throttle body and the fuel injector. • Disconnect the diagnostic tool for 20 seconds before cycling ignition to OFF, ACC, or RUN. Trans Fast Learn: Trigger the transmission fast learn procedure. If you mark your crankshaft with your old one installed, you can reinstall in the same position. disconnected battery again, shorting leads. New GM crankshaft reluctor ring. Once the transmission is on the jack and ready for installation, fill it using the following. If the engine still cranks, is spraying fuel, but will not start go to step 2. com is the newest go-to destination for video content in the area of tires, auto service, fleet, performance, collision and parts. i am not responsible as i have never done it i just found this on the web and want someone to verify it before i attempt it in my friends shop. Still won't crank BUT the security light is now off. Changed the coils and that seemed to help for a short time. Some cars (such as the Bonneville SSEi, Impala SS and Monte Carlo SS) will require performing a simple Security Relearn Procedure. As im going to write entire the new file, Zippy said a crank relearn is a must. But in either case, it will run. any info will help!. When your Gen III (LS1, etc) or Gen IV (LS2, etc) based car or truck was put together and factory-tested, one of the procedures it went through was the “crank learn” procedure. The scan tool can now be disconnected from the vehicle (turn ignition off first), and any subsequent relearning procedures that may be needed such as the crankshaft position variation relearn procedure can now be performed to finish the update. In this article, we’ll show you how to clean an EGR valve. Once the transmission is on the jack and ready for installation, fill it using the following. The J-Body Organization, j-body. All Fitech EFI systems have learning procedures that the system uses to adjust the active fuel tables it is using for operation. Important: The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. Openbay is an online source that connects you with multiple auto service professionals nearby who will compete for your auto repair and maintenance business. At any rate despite not having any associated codes, I thought I would give it a try and both the Aeroforce gauges I have and HPTuners have the capability to perform the relearn. I tried three times with the Aeroforce procedure and had no luck. Tools You'll Need: Multimeter. 7L V8 - Corvette MY See COMPUTER RELEARN PROCEDURES article in GENERAL Disconnect crank position sensor connector. Finally got to drive my car for the first time in 7 weeks. Six-speed WS6 Pontiac is the product of a '90s GM strike, a paint recall and pure dumb luck. Engine, crankshaft, harmonic balancer, and crankshaft position sensor If any of the above items are replaced, then a Crankshaft Variation relearn is necessary. How do you know if a throttle position sensor (TPS) is bad? Of course, some symptoms can tell you when a TPS may be bad. The signal from the crankshaft position sensor is used by the engine control module to determine fuel injection and ignition timing. MY FIRST ENCOUNTER WITH THE "SECURITY LIGHT" I had crashed my 2001 Cavalier into a snowplow so i bought a car from an "acquaintance" very cheap. Report Post Edit/Delete Message. Identifying and legend fuse box Chevrolet Silverado 1999-2007. Now, this is for a stock Corvette LS1 from early 2003 so the pinouts maybe different for earlier year models. Some cars (such as the Bonneville SSEi, Impala SS and Monte Carlo SS) will require performing a simple Security Relearn Procedure. I need to change my ECM, are there any relearn procedures or data that needs to be transferred from the old one to the new one? Was the ECM working with the old throttle body, if so the dealer should be able to reprogram the old ECM to the new throttle body without replacing it, provided he is using the latest programming software. Chevy Cobalt - NEW PCM - Code: P0315 was created by RENMAN I performed the GM Vehicle Theft Deterrent (VTD) Relearn Procedure and that went great the car started. If the engine still cranks, is spraying fuel, but will not start go to step 2. 3L MIL Lamp on, P0315 Posted to GM Driveability on 11/14/2006 3 Replies after replacing pcm per related repair history, find unable to perform crankshaft variation relearn procedure. For the model year 2007, GM has 66 named vehicles, not including Isuzu, Saab, and Suzuki im-ports. Connect the battery cable back to the battery. Montero Sport Battery Reset Procedure. This may be causedIGNITION KEYS IF A FAULT CANNOT BE PROCEDURE ON A. LS motors have crank trigger wheels that are NOT fit accurately from the factory - they can be off as much as 20 degrees. I reconnected the battery and before even starting, i scanned and the above codes came up. A trouble code pointing to a potential Crankshaft-Camshaft Position Sensor failure doesn't necessarily mean that the sensor itself is bad. Mark the right timing chain and install it the same as before. i am only looking for this because i. So if the bypass didn't work after doing the 10 minute relearn, try the 30-minute. “Low volts, < 8” This is an indication of either a battery in a state of very. While riding last Saturday I got a SES light, came home and checked it and got a P1336 Crankshaft Position (CKP) Sytem Variation Not Learned. Restore battery power and place air conditioning controls (if equipped) in the "off" position. DFCO: deceleration fuel cutoff; is used when the car is moving and the throttle is closed. The crankshaft sensor on GMC vehicles is synced to the powertrain control module, or PCM. If you've replaced your Ford electronic throttle body or you've disconnected the battery, you must do a Ford throttle body relearn to establish a new baseline idle. Clear DTCs before attempting to perform the crankshaft position system variation learn procedure. 35 in)) version of the Vortec 4800 and replaced the L31. Anyone else heard of this?. The engine control unit, or ECU, is basically the brains of your car. A crank variation relearn often. The key is read by the computer and if it matches, it will enable all systems to start the car. What is the cam/crank position varience re-learn procedure and how do i do it - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. The y8 crank girdle has a oil shield ,this keeps the main bearings of the crank and rods better lubed. When my buddy CHA-LEE gets his new motor back we will be doing the procedure on his whether it needs it or not. 3 v6 vortech engine, the vehicle was misfiring really bad when i hit 3,000 rpm, i checked it with my obd2 scanner and it gave me a code that the crankshaft sensor was bad so i replaced it but know she wont start i checked everything and i am not getting any spark at any of the spark plug wires and i have replaced the dist. The 6LS is easy to wire but you MUST make sure you calibrate the ignition timing. If other codes are present, they must be addressed first. just don't know the exact procedures. We are not getting so lucky with ours. In some cases the P0315 or P1336 code will come up after install and relates to the crankshaft variation relearn procedure needing done. I have done a replacement of the timing belt at 100 000 mark with a chrysler dealer. The crankshaft sensor on GMC vehicles is synced to the powertrain control module, or PCM. You can use a digital multimeter or an analog multimeter although the digital one is the preferred one. EASE Diagnostics is not responsible for damage caused by the use of these procedures. after doing a. Use the J 33197 in order to remove the crankshaft balancer. Repeat steps two more times for a total of 3 cycles/30 minutes (the vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK). How To Reset/Relearn TPMS w/New Sensors Shakercars's 1972 Trans Am. I do not believe the 96 ecu has a crank relearn process I know my 97 ECU does that I put in my 96, but I don't remember that working for my 96 one You could try, but if you were closer to someone with a DHP or HPTuners unit they could kick off the process for you.