NHTSA ID Number: 10224830
Manufacturer Communication Number: 22-NA-199
Summary
This service bulletin provides repair information to correct a customer concern of DRL and/or Headlamp Operation Anomalies with Possible B108E
Condition
Some customers may notice that the Daytime Running Lamps (DRL) may not automatically turn on in daylight conditions. They may comment instead that the headlamps are actually on during daylight conditions. Upon further inspection, technicians may find a B108E set as well, for the Ambient Light Sensor signal.
Cause
Note: The Ambient Light Sensor should not be replaced for this issue.
The cause of the condition may be a BCM software anomaly.
Correction
The updated software is currently available in the Service Programming System (SPS) database. Reprogram the Body Control Module (BCM) with the current calibrations to resolve this concern.
2 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
CHEVROLET | CORVETTE | 2022-2023 |
1 Associated Document
Manufacturer Communications
Bulletin No.: 22-NA-199
Date: October, 2022
MC-10224830-0001.pdf 128.822KB
NHTSA ID Number: 10224295
Manufacturer Communication Number: PIC6466A
Summary
This Preliminary Information communicates a software anomaly to the field to let them know that the DRL / headlamp function may be affected in daylight conditions.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6466A
Published date: 09/26/2022
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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SEOCONTENT-START
Copyright 2022 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 22-NA-199 Date: October, 2022 TECHNICAL Subject: DRL and/or Headlamp Operation Anomalies with Possible B108E This bulletin replaces PIC6466A. Please discard PIC6466A. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Corvette 2022 2023 SOP 1G1Y93D44P5102639 — — Involved Region or Country North America, Europe, Japan, Australia/New Zealand, Middle East Condition Some customers may notice that the Daytime Running Lamps (DRL) may not automatically turn on in daylight conditions. They may comment instead that the headlamps are actually on during daylight conditions. Upon further inspection, technicians may find a B108E set as well, for the Ambient Light Sensor signal. Cause Note: The Ambient Light Sensor should not be replaced for this issue. The cause of the condition may be a BCM software anomaly. Correction The updated software is currently available in the Service Programming System (SPS) database. Reprogram the Body Control Module (BCM) with the current calibrations to resolve this concern. Service Procedure Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling, and shipping dangerous goods. In the event of a conflict between the procedures set forth in this bulletin and the laws that apply to your dealership, you must follow those applicable laws. 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 NOTconnect 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. Page 2 October, 2022 Bulletin No.: 22-NA-199 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. 5743643 Bulletin No.: 22-NA-199 October, 2022 Page 3 Important: If the vehicle VIN DOES NOT match, the message below will be shown. 5877000 5644477 Important: Techline Connect screen shown above. Important: If the same calibration/software warning is noted on the TLC or SPS Summary screen, select OK and follow screen instructions. After a successful programming event, the WCC is located in the Service Programming System dialogue box of the SPS Summary screen. Document the WCC on the job card. No further action is required. Refer to the Warranty Information section of this bulletin. 1. Reprogram the Body Control Module. Refer to K9 Body Control Module: Programming and Setup in the Service Manual. Page 4 October, 2022 Bulletin No.: 22-NA-199 5644478 Note: The screenshot above is an example of module programming and may not be indicative of the specific module that is being programmed. Module selection and VIN information have been blacked out. Important: To avoid warranty transaction rejections, you MUST record the warranty claim code provided on the Warranty Claim Code (WCC) screen shown above on the job card. Refer to callout 1 above for the location of the WCC on the screen. 2. Record the Warranty Claim Code on the job card for warranty transaction submission. Warranty Information For vehicles repaired under warranty, use: Labor Operation Description Labor Time 2810215* Body Control Module Reprogramming with SPS Use Published Labor Operation Time Important: *To avoid warranty transaction rejections, carefully read and follow the instructions below: • The Warranty Claim Code must be accurately entered in the “SPS Warranty Claim Code” field of the transaction. • When more than one Warranty Claim Code is generated for a programming event, it is required to document all Warranty Claim Codes in the “Correction” field on the job card. Dealers must also enter one of the codes in the “SPS Warranty Claim Code” field of the transaction, otherwise the transaction will reject. It is best practice to enter the FINAL code provided by SPS/SPS2. Bulletin No.: 22-NA-199 October, 2022 Page 5 Warranty Claim Code Information Retrieval 6125774 If the Warranty Claim Code was not recorded on the Job Card, the code can be retrieved in the SPS2 system as follows: 1. Open TLC on the computer used to program the vehicle. 2. Select and start SPS2. 3. Select Settings (1). 4. Select the Warranty Claim Code tab (2). The VIN, Warranty Claim Code and Date/Time will be listed on a roster of recent programming events. If the code is retrievable, dealers should resubmit the transaction making sure to include the code in the SPS Warranty Claim Code field. Version 1 Modified Released October 07, 2022 GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
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