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Service bulletins for the 2011 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.

1685 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
990420002K2019-11-25. Service bulletin. POWER TRAIN. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
16NA3382019-11-25. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
080730026F2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
PI1344C2019-08-19. Service bulletin. POWER TRAIN. This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
16NA3382019-07-29. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
080730035D2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
030729004L2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
PIT4585F2019-04-08. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician that the Serial Data Gateway Module (SDGM) may report "Crash Sense Failed" and the 300v Hybrid Battery Contactors will remain open until the Hybrid Powertrain Control Module's (HPCM) High Voltage (HV) DTCs are reset. And How to Reset.
17NA0662019-03-25. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
16NA3382019-03-18. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
PIP4831E2019-03-18. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that vehicles to look for debris in the valve bodu for codesP0751, P0752, P0756, P0757, P0776, P0777, P0796, P0797, P2714 or P2715, And to review the date code on the Transmission control module.
PIP4432E2019-03-18. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealers not to over look a possible leak from the Yoke,
PIP4021D2019-03-11. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has been shut off should be deemed a normal characteristic.
PIP4681E2018-08-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the throttle slightly with the Torque Converter Clutch on while cruising at 35-60 miles per hour. Technician should follow all published Service Information diagnostics if the concern is repaired compare to a like vehicle with the same options.
PIP3366C2018-08-20. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
PIP4600E2018-06-04. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that the 2ML70 Transmission Assembly will be placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
060089026N2018-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); VISIBILITY:WINDSHIELD; ELECTRONIC STABILITY CONTROL (ESC). This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
080730026E2018-06-04. Service bulletin. POWER TRAIN. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
040730013D2018-06-04. Service bulletin. POWER TRAIN; ENGINE; EQUIPMENT. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
02-07-30-052I2018-06-04. Service bulletin. POWER TRAIN; EQUIPMENT. This informational bulletin provides information for Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow.
13-00-89-0062018-06-04. Service bulletin. POWER TRAIN; EQUIPMENT. This informational bulletin provides information for Warranty Administration ? Changes in Powertrain Warranty Coverage Effective with 2010 Model Year.
09-07-30-018D2018-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This informational bulletin provides a revision for 09-07-30-018C to add the 2014 model year and update the Labor Operation.
12-07-30-001C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN; ENGINE. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
PI0488D2018-05-29. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. This preliminary informational bulletin provides a procedure to inspect the transmissions filter for splits or cracks to correct the customers concern for no forward, reverse or slips.
PI08762018-05-29. Service bulletin. POWER TRAIN. This preliminary informational bulletin provides information on replacing the transmission fluid level indicator if a customers comments regarding one being broken.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.