PIP4902W
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Vehicle report
2026 CHEVROLET BRIGHTDROP 400
Service bulletins
79 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
PIT6503E
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIT6541
Service Bulletin/Repair Instructions
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
PIT6503D
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIC6551C
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIT6503C
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIT6517C
Service Bulletin/Repair Instructions
This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
PIT5099J
Service Bulletin/Repair Instructions
PI to help diagnose A/C concern
PIP6081C
Service Bulletin/Repair Instructions
This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,
N25-252332
Over The Air
• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
PIT5966F
Service Bulletin/Repair Instructions
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
PIT6503B
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIT6503A
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
N262547330
Service Campaign
Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
PIT6519
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
PIT6215C
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
PIC6540J
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealers a procedure to reset the radio.
PIC6423A
Service Bulletin/Repair Instructions
Pi created to provide GM dealers with information on gathering information for projection issue
PIC6540H
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealers a procedure to reset the radio.
PIC6551B
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
N262547330-01
Service Campaign
Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
PIC6540G
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealers a procedure to reset the radio.
PIT6503
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIT3271Q
Service Bulletin/Repair Instructions
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIP4902V
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP6104
Service Bulletin/Repair Instructions
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIT6394E
Service Bulletin/Repair Instructions
A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
PIT6425D
Service Bulletin/Repair Instructions
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
PIT6491
Service Bulletin/Repair Instructions
This Preliminary PI was created on 01/26/2026 for diagnostic tips for rear cargo door that will not unlock from the exterior passive switch
PIT6394D
Service Bulletin/Repair Instructions
A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
PIP6081B
Service Bulletin/Repair Instructions
This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,
PIT6456D
Service Bulletin/Repair Instructions
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
PIT6394C
Service Bulletin/Repair Instructions
A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
PIP6099A
Service Bulletin/Repair Instructions
This P/I is advising that the TCM should not be replaced for DTC P16F4 and to follow the repair instructions.
PIT5985K
Service Bulletin/Repair Instructions
This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.
PIP6099
Service Bulletin/Repair Instructions
This P/I is advising that the TCM should not be replaced for DTC P16F4 and to request FSE assistance for a TCM data pull.
PIT6425C
Service Bulletin/Repair Instructions
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIP6098
Service Bulletin/Repair Instructions
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
PIT6457B
Service Bulletin/Repair Instructions
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
PIP4902U
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIC6540F
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealers a procedure to reset the radio.
PIT6457A
Service Bulletin/Repair Instructions
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
PIT6457
Service Bulletin/Repair Instructions
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
PIT5214G
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
PIP5981G
Service Bulletin/Repair Instructions
This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIT6425B
Service Bulletin/Repair Instructions
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIT6425A
Service Bulletin/Repair Instructions
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIT6440
Service Bulletin/Repair Instructions
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
PIT6411B
Service Bulletin/Repair Instructions
This information provides software update information for the K73 Telematics module to correct the symptoms described.
13598
Other
New Vehicle Monitoring Programs Section in IVH
18-NA-180
Service Bulletin/Repair Instructions
This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
PIP6081
Service Bulletin/Repair Instructions
This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,
PIT6423
Service Bulletin/Repair Instructions
Diagnostic Guidance for U3000-97 Long Range Radar Blocked
PIP4902T
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6059C
Service Bulletin/Repair Instructions
This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
PIC5650M
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
PIT6393B
Service Bulletin/Repair Instructions
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
PIP5601B
Service Bulletin/Repair Instructions
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIT5074S
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT6393A
Service Bulletin/Repair Instructions
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
PIT5832V
Service Bulletin/Repair Instructions
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6401
Service Bulletin/Repair Instructions
This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to off.
PIT6393
Service Bulletin/Repair Instructions
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
PIP6072
Service Bulletin/Repair Instructions
This Preliminary Information communicates possible conditions they may encounter during HVAC flushing procedures on some vehicles due to adapter compatibility concerns that should be resolved soon.
PIT6180A
Service Bulletin/Repair Instructions
This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
PIP4902S
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
25-NA-156
Service Bulletin/Repair Instructions
This service bulletin provides information on Tire Sidewall Irregularities.
PIT5074R
Service Bulletin/Repair Instructions
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIP5981F
Service Bulletin/Repair Instructions
This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIT5966E
Service Bulletin/Repair Instructions
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
21-NA-190
Service Bulletin/Repair Instructions
This informational bulletin provides information for dealers/technicians on Front License Plate Installation
25-NA-118
Service Bulletin/Repair Instructions
This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
25-NA-105
Service Bulletin/Repair Instructions
This informational bulletin provides information for seat belt retractor guide cleaning.
22-NA-242
Service Bulletin/Repair Instructions
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
PIT6105D
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
PIT6335A
Service Bulletin/Repair Instructions
This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram the A11 radio module to correct this.
07-00-89-037W
Service Bulletin/Repair Instructions
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
25-NA-087
Service Bulletin/Repair Instructions
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
13-08-116-001K
Service Bulletin/Repair Instructions
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.