Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
PIP5653F
May 20, 2020
280000 BACK OVER PREVENTION
This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
20NA010
May 20, 2020
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
This technical bulletin provides a procedure to replace the cooling fan if found contacting the shroud causing the customers concern.
PIE0571
May 20, 2020
160000 STRUCTURE
This engineering information (EI) is requesting information from the field to determine the root cause and validate a field fix for a hood alignment panel being sub-flush to fenders.
PIT5499B
May 20, 2020
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master cylinder fluid level
N202301190
May 20, 2020
100000 POWER TRAIN
Customer Satisfaction Program - certain vehicles may have a condition in which the transmission oil cooler lines were not properly secured. Dealers are to inspect for the connection to the fan shroud and secure if not connected. Also, if
N202299520
May 19, 2020
281000 BACK OVER PREVENTION: BACK-UP ALARM
Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit. Dealers are to provide the missing backup alarm to the customer.
20NA041
May 19, 2020
022000 SUSPENSION:REAR
This technical bulletin provides a procedure to replace the left side differential carrier cover and seal to correct a condition of Warble Noise from the Rear of the Vehicle.
20NA036
May 18, 2020
162500 STRUCTURE:BODY:TAILGATE
This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate.
PIP5709A
May 14, 2020
100000 POWER TRAIN
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.
20NA102
May 14, 2020
100000 POWER TRAIN
This informational bulletin advises the technician of a possible normal condition when the vehicle is in reverse and in motion, not to shift to drive or it may cause the customers concern.
PIP5728
May 13, 2020
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually buid the vehicle in GDS2 and perform the function until software update
PIT4506E
May 13, 2020
199000 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" w
PIE0568A
May 12, 2020
110000 ELECTRICAL SYSTEM
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Ign
PIE0568
May 12, 2020
110000 ELECTRICAL SYSTEM
This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Igni
20NA104
May 12, 2020
070000 FUEL SYSTEM, GASOLINE
This informational bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminated? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due t
N202298330
May 11, 2020
350000 EQUIPMENT
Customer Satisfaction Program - Certain 2020 Chevrolet Silverado HD and GMC Sierra HD vehicles were intended to include a high idle feature, (RPO UF3). Equipment not included on the vehicle is required for the ?high idle? feature to functi
N202294960
May 8, 2020
020000 SUSPENSION
Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring were to be replaced, a 2500 series spring could be installed which would cause the vehicle to
PIP5727
May 8, 2020
100000 POWER TRAIN
This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise. If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the custom
PIT5466C
May 8, 2020
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Technician will need to check the Regular Production Option Code fo
PIT5713A
May 7, 2020
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: - IPC gauges sweeping while driving - Several IPC warning messages and MIL
PIE0563A
May 7, 2020
060000 ENGINE (PWS)
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan.
PIT5492C
May 7, 2020
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the battery is discharged overnight. Technician will need to inspect X301 for bent pins as shown below. R
PIP5527K
May 7, 2020
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates diagnostic assistance and repairs for specific driveability concerns that can be caused by the intake rocker arm oil control solenoid.
N202298780
May 6, 2020
110000 ELECTRICAL SYSTEM
Emissions Recall - General Motors has decided to conduct a voluntary emissions recall involving certain vehicles that are equipped with a 2.0L engine. The Engine Control Module (ECM) in these vehicles may not respondto test tools with the c
PIP5504D
May 6, 2020
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised t