NHTSA ID Number: 10202402
Manufacturer Communication Number: PIP5823
Summary
This Preliminary information communicates to technicians the need to reprogram the ECM for an intermittent crank/no start concern.
Condition:
Some customers may experience an intermittent extended crank or intermittent no start. The vehicle will crank for 15 seconds until it times out. The vehicle will start on the second attempt. The vehicle Stop/Start system is not affected by this condition.
Cause:
This may be due to a corrupt signal from the Camshaft Position Sensor to the ECM
Correction:
Reprogram the Engine Control Module (ECM)
4 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5823
Published date: N/A
MC-10202402-9999.pdf 114.569KB
Reprogramming
GM Diagnostic/Programming (TIS2Web)
Approved J2534 Device with TIS2WEB can reprogram 1996 and later All GM Modules.
To obtain the latest electronic controller calibration information for your vehicle, go to https://tis2web.service.gm.com/tis2web and enter the vehicle's 17 character Vehicle Identification Number (VIN) and select 'Get CAL ID’.
You can then compare the latest part number with the actual number installed on the vehicle to determine if a reprogram is needed.
The Service Programming System (SPS) application is part of the TIS2Web system. To program an ECU, the SPS application must communicate with the vehicle control modules using the proper J2534 programming interface tool.
The Tech 2 supports model years 1996 and beyond. With the addition of the CAN Diagnostic Interface (CANdi) module, Tech 2 is fully backward compatible with current Tech 2 functionality and operates transparently when diagnosing non-CAN-equipped vehicles.
Servicing the next generation Global A vehicles will require the diagnostic software, GDS2, Global Diagnostic System 2 running on a local PC device while the MDI is connected to the vehicle. The GM MDI is the Global Diagnostic tool for future vehicles starting with Global A vehicles.
The GM MDI was introduced in the fall of 2007 for Pass-Thru programming and offers faster programming speed. It can be used to perform Pass-Thru programming on all vehicles built since 1996 and into the future. Click here to view a list of GDS supported vehicles.
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Bulletin No.: PIP5823 Published date: N/A Preliminary Information PIP5823 Intermittent Extended Crank No Start Models Brand: Cadillac Chevrolet Chevrolet GMC Model: Escalade models Suburban Tahoe Yukon models Model Years: 2021 2021 2021 2021 VIN: from to All All All All All All All All Engine: LM2 LM2 LM2 LM2 All All All All Transmissions: Involved Region or Country: Condition: Cause: North America Some customers may experience an intermittent extended crank or intermittent no start. The vehicle will crank for 15 seconds until it times out. The vehicle will start on the second attempt. The vehicle Stop/Start system is not affected by this condition. This may be due to a corrupt signal from the Camshaft Position Sensor to the ECM Correction: Reprogram the Engine Control Module (ECM) Service Procedure: Caution: Before downloading the update files, be sure the computer is connected to the internet through a network cable (hardwired). DO NOT DOWNLOAD or install the files wirelessly. If there is an interruption during programming, programming failure or control module damage may occur. Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or control module damage may occur. Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install a GM Authorized Programming Support Tool to maintain system voltage. Refer to www.gmdesolutions.com for further information. If not available, connect a fully charged 12V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. Follow the on-screen prompts regarding ignition power mode, but ensure that anything that drains excessive power (exterior lights, HVAC blower motor, etc) is off. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO. Important: The service technician always needs to verify that the VIN displayed in the TLC left side drop down menu and the top center window match the VIN plate of the vehicle to be programmed prior to using Service Programming System 2 (SPS2) for programming or reprogramming a module. For the TLC application, service technicians need to always ensure that the power mode (ignition) is “ON” before reading the VIN from the vehicle’s VIN master module and that they do not select a VIN that is already in the TLC application memory from a previous vehicle. If the VIN that shows up in the TLC top center window after correctly reading the VIN from the vehicle does not match the VIN plate of the vehicle, manually type in the VIN characters from the vehicle VIN plate into the TLC top center window and use these for programming or reprogramming the subject module with the correct vehicle VIN and software and/or calibrations. The Engine Control Module (ECM) is the master module (for VIP vehicles) that TLC reads to determine the VIN of the vehicle. If the VIN read from the vehicle by TLC does not match the VIN plate of the vehicle, the ECM also needs to be reprogrammed with the correct VIN, software and calibrations that match the vehicle’s VIN plate. The Body Control Module (BCM) is the master module (for GEM vehicles) that TLC reads to determine the VIN of the vehicle. If the VIN read from the vehicle by TLC does not match the VIN plate of the vehicle, the BCM also needs to be reprogrammed with the correct VIN, software and calibrations that match the vehicle’s VIN plate. Caution: Be sure the VIN selected in the drop down menu (1) is the same as the vehicle connected (2) before beginning programming. Warranty Information Important: Warranty coverage code E2 applies for this module programming event. ECM reprogramming is covered for 8 years/80,000 miles (U.S.) or 8 years/130,000 km (Canada). For vehicles repaired under the Emission coverage, use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information. Labor Operation 4088188 Description Engine Control Module Reprogramming for Intermittent Extended Crank No Start Condition *This is a unique Labor Operation for bulletin use only. Labor Time 0.3 Hr. Version History Version 1 Modified 09/22/2021 – Created on.
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