Technical Service Bulletins

Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
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880 Vehicle Makes
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Showing 11,703 bulletins for CHEVROLET

PIT5544C Oct 14, 2019
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2016–2020) — 10 vehicle combinations
010000 STEERING
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is
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19NA210 Oct 13, 2019
CHEVROLET — BOLT EV (2017–2020) — 4 vehicle combinations
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
This bulletin provides information on conditions that may cause EV Range Loss and for dealers/technicians to determine/differentiate items which require battery repair versus which items are normal for the vehicle.
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PIE0532A Oct 11, 2019
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2019–2020) — 4 vehicle combinations
130000 VISIBILITY
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to gathering information for the power outside folding mirror with the conditio
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PIP5655A Oct 10, 2019
CHEVROLET — SIERRA 2500, SILVERADO 4500HD (2020) — 2 vehicle combinations
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
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PIP5653D Oct 9, 2019
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2019) — 2 vehicle combinations
020000 SUSPENSION
This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
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PIE0543 Oct 9, 2019
CHEVROLET — BOLT EV (2019)
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the A/C being inoperative and/or A/C is low and does not blow cold.
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19NA230 Oct 8, 2019
CHEVROLET — BOLT EV (2017–2020) — 4 vehicle combinations
140000 AIR BAGS
This informational bulletin provides information for dealers/technicians on the Front Seat Side Airbag Label if Peeling, Falling Off or is Taped Back On.
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PIE0504A Oct 8, 2019
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2011–2017) — 42 vehicle combinations
350000 EQUIPMENT
This engineering informational bulletin is requesting information on a scraping noise heard from under the vehicle while driving.
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PI1369A Oct 8, 2019
CHEVROLET — SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, TAHOE (2015–2020) — 15 vehicle combinations
980000 UNKNOWN OR OTHER
This preliminary bulletin provides a procedure to reprogram more than 8 keys for the PPV.
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N192266751 Oct 8, 2019
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2020) — 18 vehicle combinations
060000 ENGINE AND ENGINE COOLING
N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster
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PIP5626D Oct 7, 2019
CHEVROLET — SILVERADO 4500HD (2019)
060000 ENGINE AND ENGINE COOLING
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
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19NA228 Oct 7, 2019
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2019–2020) — 24 vehicle combinations
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.
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N192211780 01 Oct 4, 2019
CHEVROLET — EQUINOX, TERRAIN (2019) — 2 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
N192211780 01 - Service Update (Revised service procedure). Certain vehicles serviced at the dealership had the radio replaced but were not programmed to the latest version software per SI instruction. Reprogram radio with the latest availa
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N192210330 01 Oct 4, 2019
CHEVROLET — SILVERADO 1500 (2019) — 2 vehicle combinations
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
N192210330 01 - Service Update (Revised service procedure). Certain vehicles received an instrument panel cluster (IPC) service calibration whick prevents the cruise control indicator and digital speed from displaying. Dealers are to reprog
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PIP5504B Oct 3, 2019
CHEVROLET — SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON DENALI (2016–2019) — 20 vehicle combinations
110000 ELECTRICAL SYSTEM
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
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PIE0542 Oct 3, 2019
CHEVROLET — MALIBU (2016–2020) — 5 vehicle combinations
010000 STEERING
This engineering information bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the steering wheel shaking while hands are on the steering wheel and the brake
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PIP5683 Oct 2, 2019
CHEVROLET — BLAZER (2019–2020) — 2 vehicle combinations
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
This Preliminary information communicates a concern with plastic flashing inside the fresh air intake duct for the PCV clean air and the recommended repair.
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PIP5664C Oct 2, 2019
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2020) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the dealer technician to refer to Service Update N192266750.
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PIE0541 Oct 2, 2019
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2019) — 2 vehicle combinations
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a vibration and/or banging noise heard from under the vehicle.
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N192267870 Oct 2, 2019
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2019) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
N192267870 - Service Update. Certain vehicles have a new feature that notifies customers via text or email of a low battery voltage. This feature will not function if the voltage becomes low and the vehicles is In Off Power Mode. A service
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N192266750 Oct 1, 2019
CHEVROLET — SIERRA 2500, SILVERADO 4500HD (2020) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diese
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PIP5653C Oct 1, 2019
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2019) — 2 vehicle combinations
020000 SUSPENSION
This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
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PIP5682 Oct 1, 2019
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2020) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates the potential for DTCs P2C7A and/or P14D9 to set, the current procedure to clear them and that an ECM calibration is being developed.
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19NA225 Sep 30, 2019
CHEVROLET — MALIBU (2019–2020) — 10 vehicle combinations
060000 ENGINE (PWS)
This technical bulletin provides a procedure to locate and repair the engine wiring harness if found the cause of the DIC Messages, MIL Illumination and DTCs Set.
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PIP5656C Sep 30, 2019
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2020) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Mot
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