PIC6629F
Service Bulletin/Repair Instructions
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Vehicle report
2026 CADILLAC CELESTIQ
Service bulletins
75 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.
PIP4902W
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6544
Service Bulletin/Repair Instructions
This preliminary information is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven. When a repair is available, this PI will be updated.
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
PIC6551C
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
663.40
Over The Air
• Better responsiveness for the driver display and rear-view camera • Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras. • Security Recording, a new feature that can automatically begin recording if your vehicle's alarm is triggered while it is parked.
663.50
Over The Air
• Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics
663.60
Over The Air
• Improvements to prevent loss of audio, including chimes and turn signal indicator sound • Reduced brightness of front passenger display to improve viewing at night
663.70
Over The Air
• Improvements to prevent loss of audio, including chimes and turn signal indicator sound • The rear passenger display will prompt you to add headphones when that is the selected audio option
663.80
Over The Air
• Improvements to power door opening and closing performance • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One-Pedal Driving performance • Additional protection for battery health and prevention for battery drain • Improved accuracy for driver display messages • Better performance and reliability of wireless phone charging
PIT6512A
Service Bulletin/Repair Instructions
This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM 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
663.30
Over The Air
• Fewer unnecessary service messages, warning light activations, and automated OnStar calls from your vehicle.
PIP6021D
Service Bulletin/Repair Instructions
This Preliminary Information communicates that, under certain conditions, a MIL (Malfunction Indicator Lamp) illumination or a "Service High Voltage" message may display on the IPC (Instrument Panel Cluster), and the 12V battery may experience discharge.
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.
PIP6021C
Service Bulletin/Repair Instructions
This Preliminary Information communicates that, under certain conditions, a MIL (Malfunction Indicator Lamp) illumination or a "Service High Voltage" message may display on the IPC (Instrument Panel Cluster), and the 12V battery may experience discharge.
N25-252332
Over The Air
• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
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.
661.20
Over The Air
This software update improves power door opening and closing performance, and makes the power door operation more reliable.
661.10
Over The Air
• Fixes to help ensure successful vehicle software updates. • Improves traction and stability control when accelerating or on uneven terrain. • Improves braking and stopping performance on low-traction surfaces. • Improves the performance of assisted braking features.
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.
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
PIC6629E
Service Bulletin/Repair Instructions
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIT6516
Service Bulletin/Repair Instructions
This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.
PIC6540G
Service Bulletin/Repair Instructions
This Preliminary information communicates to dealers a procedure to reset the radio.
PIC6629D
Service Bulletin/Repair Instructions
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
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.
PIC6629C
Service Bulletin/Repair Instructions
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
N252541510
Service Campaign
Certain vehicles may have been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified. Dealers are to provide the customer with the latest design charging adapter.
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
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.
PIC6638A
Service Bulletin/Repair Instructions
This Preliminary information communicates to the technician the repair direction needed to address an inaccurate speed limit sign displayed on instrument cluster.
PIC6638
Service Bulletin/Repair Instructions
This Preliminary information communicates to the technician the repair direction needed to address an inaccurate speed limit sign displayed on instrument cluster.
PIT6478
Service Bulletin/Repair Instructions
This Preliminary information communicates to the field about a normal condition about a message that appears when using a NFC card to start the vehicle when a key fob or a digital key device is not present.
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.
PIC6629B
Service Bulletin/Repair Instructions
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
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.
PIC6629A
Service Bulletin/Repair Instructions
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIP6021B
Service Bulletin/Repair Instructions
This Preliminary Information communicates that, under certain conditions, a MIL (Malfunction Indicator Lamp) illumination or a "Service High Voltage" message may display on the IPC (Instrument Panel Cluster), and the 12V battery may experience discharge.
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
PIT6444
Service Bulletin/Repair Instructions
This preliminary Information is to inform technicians to remove the film protector and to not replace any display with this issue. The customers vehicle is operating correctly.
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.
13598
Other
New Vehicle Monitoring Programs Section in IVH
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.
PIT6422
Service Bulletin/Repair Instructions
This Preliminary information communicates an issue when performing a night vision camera learn the image can not be turned on. This provides a work around while the issue is being worked.
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.
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.
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.
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.
PIT6356B
Service Bulletin/Repair Instructions
This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.
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.
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.
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.
25-NA-065
Service Bulletin/Repair Instructions
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
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.