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Service bulletins for the 2022 Chevrolet Silverado

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1871 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT5897A2022-11-21. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern.
PIT5948A2022-11-21. Service bulletin. TRAILER HITCHES. This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering is aware of the issue and working on a fix.
PIT59462022-11-21. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
PIP58812022-11-21. Service bulletin. POWER TRAIN. This Preliminary information communicates of a possible internal torque converter concern for a lack of power from a launch, transmission temperature overheat, and/or rough engine idle.
N2223785212022-11-18. Service bulletin. SUSPENSION; STEERING. On certain vehicles, the passenger’s side front bearing/hub assembly fasteners (bolt that fastens hub to steering knuckle) may have been yielded during assembly. Dealers are to replace the front hub bolts on the passenger’s side.
N2223785202022-11-18. Service bulletin. SUSPENSION; STEERING. On certain vehicles, the driver’s side front bearing/hub assembly fasteners (bolt that fastens hub to steering knuckle) may have been yielded during assembly. Dealers are to replace the front hub bolts on the driver’s side.
N2223808402022-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. General Motors has decided to conduct a Voluntary Emissions Recall on certain vehicles with a 6.6L engine (RPO L8T). The Transmission Control Module (TCM) in these vehicles may have been service reprogrammed with incorrect calibrations. If this occurred, the transmission shift quality and timing could be degraded. Dealers are to reprogram the TCM.
N212354522-042022-11-15. Service bulletin. SEATS. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front and rear seat heater control modules, reprogram the body control module and on some vehicles, reprogram the HVAC control module. Note: Some vehicles may also require an additional retrofit of the Left and Right Front Seat Cushion Ventilation Blower in order to restore full functionality of the ventilated seats. Vehicles built with this condition can be identified by RPO 04O. Use IVH to verify if the vehicle is currently eligible in the Front Seat Cushion Vent Blowers Retrofit bulletin N222378560. If so, both retrofits should be performed at the same time.
N212354521-032022-11-15. Service bulletin. SEATS. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, replace the front HVAC user interface control module and reprogram the body control module. In addition, Traverse vehicles will require the HVAC control module programming and some Silverado and Sierra vehicles may require replacement of the AM/FM stereo radio control.
22-NA-1272022-11-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
22-NA-0852022-11-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues.
N212354521-022022-11-04. Service bulletin. SEATS. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, replace the front HVAC user interface control module and reprogram the body control module. In addition, Traverse vehicles will require the HVAC control module programming and some Silverado HD and Sierra HD vehicles may require replacement of the AM/FM stereo radio control.
N212354522-032022-11-03. Service bulletin. SEATS. Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front and rear seat heater control modules, reprogram the body control module and on some vehicles, reprogram the HVAC control module. Note: Some vehicles may also require an additional retrofit of the Left and Right Front Seat Cushion Ventilation Blower in order to restore full functionality of the ventilated seats. Vehicles built with this condition can be identified by RPO 04O. Use IVH to verify if the vehicle is currently eligible in the Front Seat Cushion Vent Blowers Retrofit bulletin N222378560. If so, both retrofits should be performed at the same time.
22-NA-2182022-11-03. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
PIE07242022-11-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the radio staying on after retained accessory power (RAP), low and/or having a dead battery.
21-NA-1712022-11-03. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage.
22-NA-2162022-11-03. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
N2223836602022-11-03. Service bulletin. WHEELS. Customer Satisfaction Program - Certain vehicles equipped with 17 inch steel wheels (RPO RD6), may have been shipped from the assembly plant without the wheel trim caps. Dealers will install the wheel trim caps.
22-NA-2142022-11-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This service bulletin provides a procedure to repair a customer concern of Stop/Start System Inhibited / IBS / Battery Monitor with Module Malfunction Indicator Light (MIL) Illuminated - DTC U152D, P15FF, P305D, P305E, U01B0 Set.
15-NA-0872022-11-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system.
21-NA-1382022-11-03. Service bulletin. SUSPENSION. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
22-NA-2052022-11-02. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on Module Harvesting.
N2223676502022-11-02. Service bulletin. POWER TRAIN. Service Update. Certain vehicles may have a condition in which the transfer case fastener was incorrectly torqued at the assembly plant. Dealers will torque the transfer case fasteners to the proper specification.
22-NA-0852022-11-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues.
21-NA-1492022-10-28. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.