Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
19NA049
Mar 11, 2019
100000 POWER TRAIN
This technical bulletin provides repair information to correct a customer concern of reduced propulsion power without DTCs on higher mileage vehicles (with P1.4 Cell Chemistry).
PIT5648C
Mar 11, 2019
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issue with a "Trailer Disconnected Check Connection" message being displayed on the DIC without a trailer ever being connected. Engineering has released updated software calibrations for the Tra
PIT5657A
Mar 11, 2019
050000 PARKING BRAKE
This Preliminary information communicates how to repair a loose shift cable bracket.
PIE0516
Mar 11, 2019
060000 ENGINE (PWS)
This engineering informational bulletin is requesting information on a 3 second long crank time before the engine starts after the vehicle has been sitting at least 20 minutes.
PIP5527B
Mar 11, 2019
060000 ENGINE (PWS)
This Preliminary information communicates diagnostic assistance and repairs for specific driveability concerns that can be caused by the intake rocker arm oil control solenoid.
PIT5559A
Mar 11, 2019
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication provides information to the technician about vehicles that have a radio display were the HVAC Pop Up on the infotainment screen is blank, displays a red box, or contains incomplete information. Dea
PIE0496A
Mar 8, 2019
118000 ELECTRICAL SYSTEM:SOFTWARE
This engineering informational bulletin is requesting information for the drivers door window regulator being inoperative due to possible software.
N192212090
Mar 8, 2019
160000 STRUCTURE
N192212090 - Service Update. Certain vehicles may have rear bumper flanges that were manually bent after chrome plating. This bending could cause micro-cracking of the chrome plating and ultimately result in red rust forming on the base ste
PIC6353
Mar 8, 2019
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
This Preliminary Information communicates the fact that a software concern exists in the IPC that may cause the digital ECT reading to disappear over an ignition cycle if the customer has the cluster set in the Track Theme.
N192213550
Mar 7, 2019
114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
N192213550 - Service Update. Certain vehicles may have a condition where the instrument panel cluster displays that a trailer is connected or disconnected when there is no trailer attached to the vehicle. Dealers are to reprogram the tra
PIP5630
Mar 7, 2019
060000 ENGINE (PWS)
This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.
N182194790
Mar 6, 2019
150000 SEAT BELTS
N182194790 - Special Coverage. In certain ehicles, if a driver repeatedly sits on the seat belt cable cover located at the base of the driver?s seat when entering the vehicle, it may cause the seat belt pretensioner to bend sharply over the
PIE0515
Mar 6, 2019
110000 ELECTRICAL SYSTEM
This engineering informational bulletin is requesting information for checking for DTCs and the voltage (relative to a ground) on BOTH sides of the 400A starter fuse in the Battery Distribution Engine Compartment Fuse Block.
18NA200
Mar 6, 2019
160000 STRUCTURE
This informational bulletin provides information from engineering that identified 3 possible areas to inspect for a rattle type noise that is being heard from the instrument area.
PIT5660
Mar 5, 2019
350000 EQUIPMENT
This Preliminary information communicates repair information if the HVAC mode door actuator becomes lost and does not move to the correct mode position.
PIT5659
Mar 5, 2019
220000 SEATS
This Preliminary information communicates that a vehicle may be brought to the dealer with a complaint that the driver's side power seat will not move at times. The dealer technician may find a code B3920. The technician is instructed to in
18NA182
Mar 5, 2019
114300 ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK
This informational bulletin provides information for dealers/technicians on locating and repairing water leaks in the rear cargo area, rear compartment well, possible loss of chime and/or radio functions.
PIC5894A
Mar 5, 2019
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that have multiple Instrument Panel Cluster warning indicators on and/or warning messages being displayed on the Driver Information Center. Tec
PIP5626
Mar 5, 2019
060000 ENGINE (PWS)
This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center
PIE0499B
Mar 4, 2019
091000 FUEL SYSTEM, OTHER:STORAGE
This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.
19NA046
Mar 4, 2019
110000 ELECTRICAL SYSTEM
This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display in DIC.
PIT5499A
Mar 4, 2019
030000 SERVICE BRAKES, HYDRAULIC
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
19NA042
Feb 28, 2019
160000 STRUCTURE
This informational bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint appearance to hood and engine cover's exposed carbon fiber parts.
19NA041
Feb 28, 2019
110000 ELECTRICAL SYSTEM
This bulletin provides information regarding the discontinuation of the battery cover starting with the 2019 Impala built in Oshawa Ontario and at DHAM in SE Michigan and the breakpoint dates for each plant.
19NA039
Feb 28, 2019
010000 STEERING
This technical bulletin provides a procedure to program the PSCM if the vehicle had a lift kit installed.