Technical Service Bulletins

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

172,063 Unique Bulletins
4,727,244 Total Records
880 Vehicle Makes
1955–2025 Year Range
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Showing 11,703 bulletins for CHEVROLET

PIT5776 Sep 18, 2020
CHEVROLET — SUBURBAN, TAHOE, YUKON XL (2021) — 6 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issue with the power liftgate inoperative and engineering working on the issue.
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PIT5777 Sep 18, 2020
CHEVROLET — SUBURBAN, TAHOE (2021) — 2 vehicle combinations
120000 EXTERIOR LIGHTING
This Preliminary information communicates an issue with a Check Reverse Lamp message on the DIC, but the reverse light operate. Engineering working on a fix.
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20NA194 Sep 18, 2020
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2019–2020) — 24 vehicle combinations
162000 STRUCTURE:BODY
This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box.
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PIT5709A Sep 18, 2020
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2020–2021) — 4 vehicle combinations
160000 STRUCTURE
This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new HD Silverado and Sierra.
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PIT5770 Sep 17, 2020
CHEVROLET — SUBURBAN, TAHOE, YUKON XL (2021) — 3 vehicle combinations
100000 POWER TRAIN
This Preliminary information communicates an issue with the Transmission Control Module (TCM) not communicating and causing a no crank concern. Dealers are to reprogram the TCM to correct the concern.
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PIT5719A Sep 17, 2020
CHEVROLET — SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2019) — 3 vehicle combinations
030000 SERVICE BRAKES, HYDRAULIC
This Preliminary information communicates information on the brake booster pump running at all times even with ignition off. Dealer is to disconnect the brake pipe pressure switch to verify it concern is corrected, if so dealer is to repla
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20NA192 Sep 17, 2020
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020) — 8 vehicle combinations
010000 STEERING
This technical bulletin provides a procedure to try multiple different adjustments based on the condition of Steering Dither/Shake or Quick Steering Wheel Oscillation at Speeds of 80-129?km/h (50-80?mph).
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20NA189 Sep 17, 2020
CHEVROLET — SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 20 vehicle combinations
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This technical bulletin provides repair information to correct a customer concern of Transmission Control Module Offline Event.
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20NA182 Sep 16, 2020
CHEVROLET — SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2019–2020) — 12 vehicle combinations
030000 BRAKES (PWS)
This technical bulletin provides a procedure to replace the brake line pressure switch if found the cause of the customers concern.
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PIP5751 Sep 15, 2020
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2020) — 6 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This PI was created to gather data to root cause the P06DD and/or oil consumption
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20NA186 Sep 15, 2020
CHEVROLET — TRAILBLAZER (2021)
054000 PARKING BRAKE:ELECTRICAL
This technical bulletin provides repair information to correct a customer concern of an Unwanted Electric Park Brake Setting.
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20NA190 Sep 15, 2020
CHEVROLET — SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 8 vehicle combinations
010000 STEERING
This technical bulletin provides repair information to correct a customer concern of Service Power Steering Message Displayed in DIC, DTC?U3000?44 Set.
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PIT5774 Sep 14, 2020
CHEVROLET — SUBURBAN, TAHOE, YUKON XL (2021) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issue with: Overhead Console Inoperative / Service Safety Restraints Message / Sunroof Inoperative / DTC's B1A7A and U1121. Dealers are to cycle the power to the overhead console to correct the
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PIT5775 Sep 11, 2020
CHEVROLET — SUBURBAN, TAHOE, YUKON XL (2021) — 3 vehicle combinations
160000 STRUCTURE
This Preliminary information communicates an issue with a service column lock message with DTC U3000 sym71,72 or 96 and engineering is working on a fix.
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PIT5759D Sep 11, 2020
CHEVROLET — SUBURBAN, TAHOE, YUKON XL (2021) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern.
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20NA185 Sep 10, 2020
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, TAHOE, YUKON, YUKON XL (2014–2018) — 60 vehicle combinations
060000 ENGINE (PWS)
This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern.
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18NA253 Sep 9, 2020
CHEVROLET — EXPRESS, SAVANA, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD (2016–2020) — 25 vehicle combinations
350000 EQUIPMENT
This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers.
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PIC6279B Sep 9, 2020
CHEVROLET — CAMARO (2017–2021) — 5 vehicle combinations
160000 STRUCTURE
This Preliminary information communicates the use of an alternate adhesive to complete the rear 3 piece spoiler installation.
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18NA101 Sep 9, 2020
CHEVROLET — TAHOE (2017–2020) — 4 vehicle combinations
020000 SUSPENSION
This technical bulletin provides a procedure to replace the brake air deflectors to correct a condition of Rubbing or Rattle Noise from the Front Suspension due to the deflector coming un-attached.
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PIE0583 Sep 9, 2020
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020) — 4 vehicle combinations
100000 POWER TRAIN
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to Early, Late, Harsh and/or Slip Type Transmission Performance.
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PIE0543B Sep 4, 2020
CHEVROLET — BOLT EV (2019)
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
This engineering information (EI) ends the need for information from technicians in regards to the A/C being inoperative and/or A/C is low and does not blow cold.
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20NA184 Sep 4, 2020
CHEVROLET — CAMARO (2016–2020) — 5 vehicle combinations
280000 BACK OVER PREVENTION
This technical bulletin provides repair information to correct a customer concern of a rattle noise heard above the driver or passenger seat area.
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20NA176 Sep 3, 2020
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2017–2020) — 52 vehicle combinations
060000 ENGINE (PWS)
This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.
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N192210260-02 Sep 3, 2020
CHEVROLET — EXPRESS, SAVANA, SIERRA DENALI, SILVERADO 2500 (2016) — 4 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Special Coverage Adjustment - certain vehicles that are equipped with a dieselengine (LML/LGH) may have a condition which causes an offset in the temperature sensor in the diesel-emission-reduction fluid(DEF) tank reservoir or causes the DE
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20NA173 Sep 3, 2020
CHEVROLET — BOLT EV (2017–2019) — 9 vehicle combinations
100000 POWER TRAIN
This Technical bulletin provides a Service Procedure to correct a customer concern of a Service Vehicle Soon Light Illuminated, DTC P0534 Set.
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