Service bulletins for the 2021 Chevrolet Tahoe
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.
1477 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIE0679A | 2022-04-06. Service bulletin. STEERING; SUSPENSION. This engineering information (EI) closure ends the need for further information from the field in regards to a Popping Noise Heard On Hard Turns and/or Going Over Speed Bumps, Creaking Noise While Turning Wheel Left and/or Right, Clicking Noise Heard On Slow Sharp Turns. |
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| PIE0676A | 2022-04-06. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance. |
| 22-NA-074 | 2022-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. |
| 22-NA-070 | 2022-04-06. Service bulletin. EQUIPMENT. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. |
| 20-NA-219 | 2022-04-06. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of a gurgle or sloshing noise heard coming from the front sunroof drain hose areas. |
| 19-NA-218 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. |
| PIE0685 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the lower oil pan seal area. |
| 22-NA-015 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. |
| 22-NA-009 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. |
| 21-NA-243 | 2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Short Range Radar (SRR) with DTC U3000 49 Set. |
| 18-NA-099 | 2022-04-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. |
| 17-NA-052 | 2022-04-05. Service bulletin. WHEELS; EQUIPMENT. This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). |
| PIE0661B | 2022-04-02. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Forward Collision Icon Message Illuminated on Driver Information Center (DIC) and/or No DTCs Set. |
| 21-NA-082 | 2022-04-01. Service bulletin. STRUCTURE; STRUCTURE:BODY:DOOR. This technical bulletin provides a procedure to install foam on window motors to prevent them from rubbing on the panels causing a noise. |
| 20-NA-038 | 2022-04-01. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. |
| PIE0678B | 2022-03-19. Service bulletin. ELECTRICAL SYSTEM. This Engineering Information (EI) Closure ends the need for further information from the field regarding No Heat from Driver Side Inboard Dash Duct and/or Weak Heat On Driver Side. |
| 22-NA-047 | 2022-03-18. Service bulletin. ENGINE AND ENGINE COOLING. Information bulletin explains a possible coolant leak coming from the cylinder head bolt areas. |
| 21-NA-095 | 2022-03-18. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. |
| 20-NA-219 | 2022-03-18. Service bulletin. UNKNOWN OR OTHER. This technical bulletin provides repair information to correct a customer concern of a gurgle or sloshing noise heard coming from the front sunroof drain hose areas. |
| PIP5840 | 2022-03-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. This Preliminary information communicates to technicians to modify the camshaft housing cover insulator by removing the stand off identified in the attached pictures. |
| PIC6450 | 2022-03-14. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. |
| PIT5776C | 2022-03-14. Service bulletin. POWER TRAIN. This Preliminary information communicates an issue with the power liftgate inoperative and engineering working on the issue. |
| PIT5788B | 2022-03-14. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates an issue with a low or dead battery issue cause by the rear hvac door being jammed by an foreign object. |
| PIP5653M | 2022-03-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly. |
| PIT3271L | 2022-03-14. Service bulletin. WHEELS; TIRES. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.