Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
21NA096
May 3, 2021
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to program the ECM to correct the customers concern.
21NA079
May 3, 2021
160000 STRUCTURE
This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error.
511330
May 3, 2021
110000 ELECTRICAL SYSTEM
General Motors has decided that a defect, which relates to motor vehicle safety exists in certain 2021 model year Chevrolet Express and GMC Savanna vehicles equipped with 6.6L gas engines. In certain circumstances, anti-rotation tabs on the
21NA105
Apr 29, 2021
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Engine Control Module Calibration for DTC P0171 and P0174 Set.
21NA104
Apr 29, 2021
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Engine Control Module Calibration for DTC P050D Set.
PIT5834B
Apr 29, 2021
130000 VISIBILITY
This preliminary information addresses the possibility for the air conditioning to be slow to cool the cabin due to contamination in the refrigerant.
N202323690
Apr 29, 2021
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program. Certain vehicles have a new software package of advanced onboard diagnostics. Dealers will update the software on the body control module and HPCM2 module.
PIT5839
Apr 27, 2021
350000 EQUIPMENT
This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution.
21NA097
Apr 26, 2021
357400 EQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER
This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.
090864014D
Apr 26, 2021
130000 VISIBILITY
This service bulletin provides information for dealers/technicians on diagnosing and repairing a side window glass not clearing the molding when indexing down during door opening.
PIE0615A
Apr 26, 2021
030000 BRAKES (PWS)
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during accelera
21NA102
Apr 23, 2021
180000 VEHICLE SPEED CONTROL
This service bulletin provides information to dealers that when replacing the hood latch, the new latch will have a different connector.
21NA099
Apr 23, 2021
357500 EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS
This technical bulletin provides repair information to correct a customer concern of Speaker Noise, or Loss of Bass, or Low / No Output of Audio from Individual Speaker Channels.
070842006P
Apr 23, 2021
110000 ELECTRICAL SYSTEM
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box remo
PIT5809A
Apr 23, 2021
010000 STEERING
This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft.
PIT5838
Apr 23, 2021
030000 BRAKES (PWS)
This Preliminary information communicates A vehicle may have a concern of a brake noise or moan may be heard at the beginning of drive-off from a complete stop, This concern may be consitered normal .
PIP5742A
Apr 22, 2021
060000 ENGINE (PWS)
This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.
PIT5836
Apr 22, 2021
110000 ELECTRICAL SYSTEM
This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and rea
PIE0630
Apr 22, 2021
060000 ENGINE (PWS)
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to air conditioning repairs, or other repairs the require the evacuation of the
21NA089
Apr 22, 2021
045100 SERVICE BRAKES, AIR:DISC:CALIPER
This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
PIT5677E
Apr 21, 2021
060000 ENGINE (PWS)
This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: - SES MIL - No Start - No Crank - Engine
PIC6436
Apr 21, 2021
060000 ENGINE (PWS)
This Preliminary information communicates to technician's if they have a low mileage vehicle with an Air Conditioning inoperative condition with a P0534 to inspect the Air Compressor for leak and the possible area of the leak. Once verified
N212329851
Apr 21, 2021
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program - certain vehicles, equipped with an auxiliary switch bankand control box (RPO UEH), may have a condition where the labels on the auxiliary control box need to be updated. Dealers are to apply the updated labe
PIP5773B
Apr 21, 2021
060000 ENGINE (PWS)
This Preliminary information communicates to the technican an inspection and do not replace any compponents as engineering is investigating the cause for knock sensor 2 perfomance DTC P0331.
PIT5834A
Apr 21, 2021
060000 ENGINE (PWS)
This preliminary information addresses the possibility for the air conditioning to be slow to cool the cabin due to contamination in the refrigerant.