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
| 21NA271 | 2021-12-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT. TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern. |
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| 21NA267 | 2021-12-27. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe. |
| 21NA244 | 2021-12-27. Service bulletin. EQUIPMENT; ENGINE; ELECTRICAL SYSTEM. This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition. |
| 21NA243 | 2021-12-27. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Short Range Radar (SRR) with DTC U3000 49 Set. |
| 21NA237 | 2021-12-27. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. |
| 21NA209 | 2021-12-27. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen with DTCs U023C, B1A62 Set. |
| 21NA197 | 2021-12-27. Service bulletin. EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:OUTLETS/RECEPTACLE; ELECTRICAL SYSTEM; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of Power to the 110V/120 Outlet is Interrupted During an Auto Stop/Start Event. |
| 21NA149 | 2021-12-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. |
| 21NA091 | 2021-12-27. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. |
| 19NA104 | 2021-12-27. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
| 20NA132 | 2021-12-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
| 20NA114 | 2021-12-20. Service bulletin. ENGINE. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212. |
| 20NA110 | 2021-12-20. Service bulletin. FUEL SYSTEM, GASOLINE. This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. |
| 18NA073 | 2021-12-20. Service bulletin. ENGINE. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. |
| PIT5869 | 2021-12-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary information communicates an issues with an SES MIL, A/C blowing warm air and DTC's B1AA3 U3018 U3505 due to Fuse F4DR open. Dealers are to inspect the wiring in the front floor console. |
| PIT5868 | 2021-12-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. |
| PIP5828 | 2021-12-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This Preliminary information communicates to technicians a P205B intermittently setting is under investigation by engineering and to clear the code and release the vehicle. |
| PIT5867 | 2021-12-13. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue with DTC: U300 SYM 49 |
| PIC6443A | 2021-12-13. 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. |
| PIT5448G | 2021-12-13. Service bulletin. ENGINE. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time. |
| PIP5768B | 2021-10-25. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates that the E66 ECM is on a parts restriction |
| PIP5822 | 2021-10-25. Service bulletin. POWER TRAIN. This Preliminary information communicates to technicians to advise dealership technicians to inspect the camshaft exciter wheel and replace it if necessary. |
| PIP5823 | 2021-10-25. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates to technicians the need to reprogram the ECM for an intermittent crank/no start concern. |
| PIT5851 | 2021-10-25. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue. |
| PIC6444 | 2021-09-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary information communicates a possible SIM issue with vehicles in the middle east. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.