Service bulletins for the 2021 Cadillac Escalade
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1219 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 21-NA-155 | 2022-07-01. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin advises the technician to check for faults that may be caused by the trailer other wise found by a possible faulty trailer connector. |
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| 21-NA-077 | 2022-06-25. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes. |
| 20-NA-159 | 2022-06-25. Service bulletin. WHEELS. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). |
| 22NA022 | 2022-06-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:SEALS/GASKETS. This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not. |
| 21NA173 | 2022-06-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to update the EOCM if found the cause of the customers concern. |
| 21NA149 | 2022-06-21. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. |
| 21NA135 | 2022-06-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. |
| 21NA284 | 2022-06-21. Service bulletin. SEATS. This technical bulletin provides repair information to correct a customer concern of the 60% rear seat will not fold down. |
| 21NA275 | 2022-06-21. Service bulletin. WHEELS; SERVICE BRAKES. This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing ?D? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift. |
| 21NA189 | 2022-06-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STEERING: STEERING WHEEL/HANDLE BAR. This informational bulletin provides information on Information on Super Cruise Escalation Cancellation. |
| 21NA131 | 2022-06-21. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Memory Seat Module Does Not Adjust. |
| 21NA095 | 2022-06-21. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. |
| 20NA110 | 2022-06-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. |
| 20NA090 | 2022-06-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. This informational bulletin provides a way for the technician to identify if the ECM has been modified. |
| PIP5358B | 2022-06-13. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance. |
| PIP5856 | 2022-06-13. Service bulletin. FUEL SYSTEM, DIESEL. This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel. |
| PIE0676 | 2022-06-13. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance. |
| PIE0672B | 2022-06-13. Service bulletin. AIR BAGS. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp illuminated on Driver Information Center (DIC) and DTC P0607 Set in BCM to determine root cause. |
| PIE0671B | 2022-06-13. Service bulletin. BACK OVER PREVENTION. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Rattle Type Noise Heard Coming from Rear Liftgate. |
| PIE0659A | 2022-06-13. Service bulletin. AIR BAGS. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service 4WD message displayed on the driver information center (DIC). |
| PIE0658A | 2022-06-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the HVAC is stuck in defrost mode and can not change to vent or any other option. |
| PI0653F | 2022-06-13. Service bulletin. STRUCTURE; EQUIPMENT. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. |
| 1308116001G | 2022-06-13. Service bulletin. EQUIPMENT. The intent of this technical 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. |
| 990089019W | 2022-06-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. |
| 150089004D | 2022-06-13. Service bulletin. FUEL SYSTEM, OTHER. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.