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

PIT5823A Sep 12, 2023
CHEVROLET — EQUINOX, TERRAIN (2018–2022) — 20 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This preliminary information discusses the possibility and repair of water entering a connector and causing fuel system electrical or battery drain concerns .
23-NA-159 Sep 12, 2023
CHEVROLET — 3500, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD (2022–2023) — 20 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides repair information to correct a customer concern of DTC P22FB/P22FE CALIBRATION UPDATE - REPROGRAM DEF CONTROL UNIT (DCU).
N232422290 Sep 11, 2023
CHEVROLET — BLAZER EV (2024)
350000 EQUIPMENT
Stop Delivery Order Await Communication: Reference Number N232422290
PIP5939 Sep 8, 2023
CHEVROLET — CORVETTE (2023)
118000 ELECTRICAL SYSTEM:SOFTWARE
This Preliminary information communicates to the dealer an issue where the vehicle may erroneously set diagnostic trouble code P0315. The dealer is instructed that a software update will be released in the future to address the concern.
N232417940 Sep 8, 2023
CHEVROLET — CANYON, COLORADO (2023) — 2 vehicle combinations
200000 WHEELS
Service Update - Certain vehicles may have been shipped with transit wheels when the customer ordered accessory wheels. Certain vehicles may have also been shipped without floor liners that the customer ordered. Dealers are to install acces
N23-2418150 Sep 8, 2023
CHEVROLET — CORVETTE (2023) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
'(There may be future updates under this same release number.) Your Chevrolet Corvette keeps getting better. This vehicle software update includes the following: Refinements: a??Updates made to the overall vehicle software update proces
N23-2407890 Sep 8, 2023
CHEVROLET — CORVETTE (2023)
110000 ELECTRICAL SYSTEM
'(There may be future updates under this same release number.) Your Chevrolet Corvette keeps getting better. This vehicle software update includes the following:a?? Refinements: a??Updates made to the overall vehicle software update p
23-NA-157 Sep 8, 2023
CHEVROLET — BOLT EUV, BOLT EV (2020–2023) — 12 vehicle combinations
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) illuminated in Driver Information Center (DIC), a Reduced Propulsion message, and charging limited to 30% State of Charge
23-NA-156 Sep 8, 2023
CHEVROLET — CORVETTE (2020–2024) — 9 vehicle combinations
100000 POWER TRAIN
This service bulletin informs the technician on the running changes to the M1L automatic transmission.
N222389360 Sep 7, 2023
CHEVROLET — CANYON, COLORADO (2015–2022) — 16 vehicle combinations
160000 STRUCTURE
Customer Satisfaction Program - Certain vehicles may have a 12mm diameter hole on the top surface of the front differential housing. Dealers will inspect for the hole and if present, rebuild the front axle with proper housing.
23-NA-114 Sep 7, 2023
CHEVROLET — CRUZE (2012–2014) — 18 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides starter and fuse block service precautions and repair information to correct a customer concern of starter or flywheel knock noise on start up and possible flywheel replacement if the starter and fuse block ha
PIE0760 Sep 5, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2023–2024) — 8 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to having the Check Engine Lamp illuminated on Driver Information Center (DIC).
N23-2411312 Sep 5, 2023
CHEVROLET — CANYON, COLORADO (2023) — 4 vehicle combinations
118910 ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE
'(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: a?? Updates made to the infotainment functionality
N23-2411311 Sep 5, 2023
CHEVROLET — CANYON, COLORADO (2023) — 4 vehicle combinations
118910 ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE
(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following: Refinements: a?? Updates made to the fuel injector flow rate to support emission improvements
N23-240353 Sep 5, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2024) — 4 vehicle combinations
118910 ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE
'Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: a??Updates made to ensure a seamless connection upon startup with SiriusXM.a?? a??Updates made to the Radio Favorit
23-NA-152 Sep 5, 2023
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2024) — 52 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to update the ECM to correct a customer concern of a MIL, engine stall.
23-NA-150 Sep 5, 2023
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020–2023) — 32 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides repair information to correct a customer concern of Teen Driver Feature Not Limiting Speed Correctly.
23-NA-147 Sep 5, 2023
CHEVROLET — SILVERADO EV (2024)
220000 SEATS
This technical bulletin provides a procedure to correct the condition of Squeak Noise from Front Seat.
N23-241272 Aug 31, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2024) — 4 vehicle combinations
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
'(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: * Updates made to improve the instrument panel displ
PIT6035 Aug 30, 2023
CHEVROLET — BLAZER EV (2024)
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates that Chevrolet Blazer EV Specific parts are being placed on a TAC Restriction
PIT6019 Aug 30, 2023
CHEVROLET — SILVERADO EV (2024)
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates ordering process for front drive unit (S8L) and rear drive unit (P79) restriction for the 2024 Silverado EV.
PIP5931 Aug 30, 2023
CHEVROLET — BLAZER EV (2024)
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates ordering process for the front and rear drive units are on restriction for the 2024 Chevrolet Blazer EV
PIP5930 Aug 30, 2023
CHEVROLET — BLAZER (2024) — 2 vehicle combinations
160000 STRUCTURE
This Preliminary information communicates that the High Voltage Battery pack is on TAC restriction where TAC will Authorize the full HV Battery pack Exchange with Engineering Review needed.
20-NA-100 Aug 30, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2019–2020) — 8 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information for dealers/technicians on Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set.
PIT6054 Aug 28, 2023
CHEVROLET — SIERRA 1500, SIERRA 3500, SILVERADO 1500, SILVERADO EV (2023–2024) — 4 vehicle combinations
162500 STRUCTURE:BODY:TAILGATE
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.