Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
18NA356
Dec 19, 2018
020000 SUSPENSION
This technical bulletin provides a procedure to correct a condition of Vibration and/or Noise Heard During Hard Acceleration at Speeds of 77 km/h (48 mph) to 83 km/h (52 mph).
PIC6293B
Dec 18, 2018
330000 INTERIOR LIGHTING
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation.
PIT5647
Dec 18, 2018
100000 POWER TRAIN
This preliminary information is released to provide engineering information on a noise from the rear drive system. Will be updated or removed after data is gathered .
18NA366
Dec 18, 2018
030000 BRAKES (PWS)
This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Medium Duty 2019 Chevrolet Silverado 4500HD, 5500HD and 6500HD.
PIT5326C
Dec 17, 2018
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integ
N182191400
Dec 14, 2018
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program. Certain vehicles, may have a condition in which the sensing and diagnostic module (SDM) was reprogrammed during service with the incorrect calibration, which is intended for high performance (HP) vehicles. Wh
PIT5645A
Dec 14, 2018
010000 STEERING
This Preliminary information communicates and issue with a Service Power Steering Message DTC C144B or Clunk Noise At Full Steering Lock Turns AFTER Installation Of Accessory Lift Kit. GM Engineering is working on updated calibrations for
18NA375
Dec 14, 2018
110000 ELECTRICAL SYSTEM
This informational bulletin provides information for dealers/technicians on diagnosis of no start, radio click noise or inoperative, Malfunction Indicator Lamp (MIL) illuminated, and/or various electrical issues.
PIC6267A
Dec 13, 2018
110100 ELECTRICAL SYSTEM:HORN
This Preliminary information communicates that some customers my comment on a constant horn and/or that the horn is to sensitive. The horn contacts and may not be properly seated on the horn pads. Inspect horn contacts and wiring for proper
PIT5646
Dec 13, 2018
010000 STEERING
This Preliminary information communicates a color difference between the upper control arms due to a change in the casting release agent.
PIT5125D
Dec 13, 2018
126000 EXTERIOR LIGHTING:TURN SIGNAL
This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and
PIC6127L
Dec 13, 2018
110000 ELECTRICAL SYSTEM
This Preliminary Information communication advises the technician that the High Voltage Drive Motor Battery has been placed on part restriction by General Motors Technical Assistance. Dealer will need to call General Motors Technical Assist
PIT5058E
Dec 13, 2018
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician about the operation and diagnostics of the Regular Production Option Code UJ1 brake warning pressure warning system. The technician can test the operation of
PIP5615
Dec 13, 2018
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that a Engine Control Module (ECM) service update calibration for P0421.
PIT5479B
Dec 13, 2018
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe
18NA297
Dec 13, 2018
100000 POWER TRAIN
This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park.
18NA307
Dec 12, 2018
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head.
080851003I
Dec 12, 2018
160000 STRUCTURE
This informational bulletin advised the dealer to remove the protective film from the bumpers and how to clean/remove the adhesive.
18NA368
Dec 12, 2018
050000 PARKING BRAKE
This technical bulletin provides a procedure to reset the parking assist module if the parking assist message is on when delivered to the dealership.
18NA373
Dec 12, 2018
350000 EQUIPMENT
This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the 2019 Chevrolet Blazer.
18NA300
Dec 11, 2018
030000 BRAKES (PWS)
This technical bulletin provides a procedure to program the ECm to correct a false code that may set.
18NA372
Dec 11, 2018
030000 BRAKES (PWS)
This technical bulletin provides a procedure for rotor replacement for a squeal/squeak noise during light brake apply.
18366
Dec 11, 2018
060000 ENGINE (PWS)
Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Dealers are to reprogr
N182195380 01
Dec 11, 2018
100000 POWER TRAIN
Service Update. Certain vehicles equipped with a 10-speed transmission may have a condition where the downshift becomes firm after extended highway driving. Recalibrate the transmission control module (TCM).
N18219538001
Dec 11, 2018
100000 POWER TRAIN
Service Update. Certain vehicles equipped with a 10-speed transmission may have a condition where the downshift becomes firm after extended highway driving. Recalibrate the transmission control module (TCM).