Service bulletins for the 2021 Cadillac Escalade ESV
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.
1138 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIP5806C | 2021-09-13. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. |
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| PIC6443 | 2021-09-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a condtion with service parts and a software anomaly that does not allow them to be programmed to the vehicle. The S165 Infotainment switch inventory will be reworked and released back to service. |
| PIT5807A | 2021-09-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates and issue with unwanted content theft alarm going off for no reason and to reprogram the BCM to correct the issue. |
| PIP5806B | 2021-09-13. Service bulletin. ENGINE. This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. |
| PIP5806A | 2021-09-13. Service bulletin. BACK OVER PREVENTION; WHEELS. This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft. |
| PIT5802B | 2021-09-13. Service bulletin. EQUIPMENT. This Preliminary information communicates an issue with the floor center console cooler being inoperative and engineering working on a root cause. |
| PIT5509H | 2021-09-13. Service bulletin. AIR BAGS; TRAILER HITCHES; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector. |
| PIT5509H | 2021-09-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector. |
| PIE0643 | 2021-08-09. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC). |
| PIE0625A | 2021-08-09. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. |
| PIE0624A | 2021-08-09. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:HATCHBACK/LIFTGATE:LOCK. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Liftgate Ajar Lamp illuminated on Driver Information Center (DIC) with the Liftgate being closed. |
| PIE0609A | 2021-08-09. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION); EQUIPMENT; ELECTRICAL SYSTEM; ENGINE. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced alternator output. |
| 990420002L | 2021-08-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. |
| 110089002E | 2021-08-09. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. |
| 080730035E | 2021-08-09. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 010842001N | 2021-08-09. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. |
| 21NA152 | 2021-08-09. Service bulletin. VISIBILITY:GLASS, SIDE/REAR; EQUIPMENT. This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. |
| 21NA135 | 2021-08-09. Service bulletin. COMMUNICATION: VEHICLE TO INFRASTRUCTURE. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. |
| 21NA132 | 2021-08-09. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS. |
| 21NA131 | 2021-08-09. 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. |
| 21NA129 | 2021-08-09. Service bulletin. SEATS; LATCHES/LOCKS/LINKAGES. This technical bulletin provides repair information to correct a customer concern of rear seat (60 Percent) and/or (40 Percent) chucking movement, and noise is present at rear latch to striker. |
| 21NA126 | 2021-08-09. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Rear Access Open Message Illuminated in DIC when Liftgate is Closed. |
| 21NA119 | 2021-08-09. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This technical bulletin provides repair information to correct a customer concern of Tire Pressure Monitor System Sensors Display Dashes with Trailer Connected. |
| 21NA095 | 2021-08-09. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. |
| PIE0637 | 2021-08-09. Service bulletin. ENGINE. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to one or more of the following condition Stalls, Crank with no star, Check Engine Lamp illuminated on the Driver Information Center (DIC). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.