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

22-NA-157 Aug 1, 2022
CHEVROLET — CORVETTE (2021)
100000 POWER TRAIN
This service bulletin provides repair information (OTA update or TCM reprogram) to correct a customer concern of vehicle not passing California smog testing.
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21-NA-049 Jul 29, 2022
CHEVROLET — CORVETTE (2020–2024) — 32 vehicle combinations
100000 POWER TRAIN
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
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21-NA-033 Jul 29, 2022
CHEVROLET — CORVETTE (2020–2023) — 8 vehicle combinations
100000 POWER TRAIN
This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what DTC has set.
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PIE0712 Jul 28, 2022
CHEVROLET — CANYON, COLORADO (2022) — 2 vehicle combinations
030000 SERVICE BRAKES, HYDRAULIC
This engineering informational bulletin is requesting information from technicians to use the FPR process in regards to the dust shield making contact with the front rotor that results in a repair.
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PIP5853A Jul 27, 2022
CHEVROLET — SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2019–2023) — 15 vehicle combinations
100000 POWER TRAIN
This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.
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PIC6466 Jul 27, 2022
CHEVROLET — CORVETTE (2022–2023) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary Information communicates a software anomaly to the field to let them know that the DRL / headlamp function may be affected in daylight conditions.
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22-NA-149 Jul 27, 2022
CHEVROLET — EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, SANANA, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2007–2022) — 140 vehicle combinations
356000 EQUIPMENT ADAPTIVE/MOBILITY
This informational bulletin provides you with contacts in event of the installation of Cruise control.
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22-NA-148 Jul 27, 2022
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020–2023) — 54 vehicle combinations
100000 POWER TRAIN
This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event.
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18-NA-268 Jul 27, 2022
CHEVROLET — CORVETTE (2014–2019) — 12 vehicle combinations
100000 POWER TRAIN
This service bulletin provides a procedure to correct a condition of a rattle noise heard from the front of the vehicle when the engine is running at slower speeds.
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PIT5934 Jul 26, 2022
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2022) — 2 vehicle combinations
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary information communicates to inspect for mispositioned floor carpet blocking rear HVAC duct work causing airflow concerns to rear HVAC vents.
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PIP5850B Jul 26, 2022
CHEVROLET — BOLT EUV, BOLT EV (2017–2022) — 6 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that a returning P0BBD could be a fault setting code due to calibration that engineering is aware of at this time and is working to resolve the issue. It also gives direction to hold the vehicle and
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22-NA-152 Jul 26, 2022
CHEVROLET — BOLT EV (2019)
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of Vehicle Unable to Charge, Charge Port Lock Actuator Engaged and Will Not Unlock with DTCs P3014 and/or P302D Set.
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22-NA-147 Jul 26, 2022
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020–2023) — 38 vehicle combinations
100000 POWER TRAIN
This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C15AC Set.
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21-NA-270 Jul 26, 2022
CHEVROLET — SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2019–2023) — 51 vehicle combinations
200000 WHEELS
This informational bulletin provides information for dealers/technicians on Vibration Caused by Tires.
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21-NA-199 Jul 26, 2022
CHEVROLET — EXPRESS, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2016–2021) — 86 vehicle combinations
100000 POWER TRAIN
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.
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19-NA-262 Jul 26, 2022
CHEVROLET — 9-5, GRAND PRIX, H2, H2 SUT, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE (2004–2011) — 96 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
This technical bulletin provides repair information to correct a customer concern of Clock Shows Dashes and Cannot be Set After Battery Disconnect.
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PIT5853A Jul 25, 2022
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020–2023) — 16 vehicle combinations
350000 EQUIPMENT
This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.
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PIC6452D Jul 25, 2022
CHEVROLET — BOLT EV (2019)
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer if a vehicle comes in for an unable to plug the charge cord in or unable to unplug the charge cord due to DC fast charger (level 3) lock actuator has been applied unintentional. we inf
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22-NA-151 Jul 25, 2022
CHEVROLET — BOLT EUV, BOLT EV (2017–2023) — 82 vehicle combinations
100000 POWER TRAIN
This service bulletin provides diagnostic and repair information for instances when DTC P0BBD may set.
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18-NA-296 Jul 25, 2022
CHEVROLET — 4500HD, 4500XD, 5500HD, 5500XD, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500 (2016–2022) — 87 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides the technician on how to check the DPF ceramic and where to get cleaning products for cleaning filters.
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21-NA-093 Jul 22, 2022
CHEVROLET — BOLT EUV, BOLT EV (2022–2023) — 4 vehicle combinations
110000 ELECTRICAL SYSTEM
This bulletin provides proper stowage and troubleshooting information/instructions for the Dual Level Portable Charger (RPO EKT).
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N222365750 Jul 21, 2022
CHEVROLET — SILVERADO 1500 (2022)
350000 EQUIPMENT
Service Update Bulletin. The harness provided with the aero shutter unit as routed can touch the louvers from the active aero shutter during operation. Dealers are to add a tie strap to prevent harness from contacting the shutter/vanes du
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20-NA-051 Jul 21, 2022
CHEVROLET — 3500, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, C3500, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500 (2016–2023) — 172 vehicle combinations
350000 EQUIPMENT
This informational bulletin provides information on the Low Cab Forward trucks and the Alpine Radio Exchange Program.
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20-NA-022 Jul 19, 2022
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020–2024) — 32 vehicle combinations
020000 SUSPENSION
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
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22-NA-119 Jul 18, 2022
CHEVROLET — BOLT EUV, BOLT EV (2017–2022) — 49 vehicle combinations
110000 ELECTRICAL SYSTEM
The service bulletin provides warranty information on High Voltage Battery Safety Recall Replacement Parts.
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