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Service bulletin 21NA111

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10199273
Published by NHTSA2021-07-19
Manufacturer's number21NA111
Manufacturer's date2021-05-06
NHTSA componentAIR BAGS

NHTSA's summary

This service bulletin provides repair information to correct a customer concern of a Check Engine Light Illuminated, No Start/ No Propulsion, DTC P0A0C.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Air bags

Trouble codes named

P0A0C

Vehicles listed
CHEVROLET VOLT2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V6210002017-10-05. AIR BAGS:FRONTAL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
18239012022-02-14. Service bulletin. Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). On some vehicles, an electrical connection in the circuit board may fail in the engine control module. If this occurs, a malfunction indicator lamp (MIL), such as the Check Engine Light may illuminate. Replace the Engine Control Module (ECM).
PIC5650J2021-09-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
12-09-41-002C2017-08-31. Service bulletin. This informational bulletin provides information on Passenger Presence System (PPS) May Command Seat Belt Reminder Chime and Passenger Airbag Indicator On or Set DTC B101D When Electronic Devices or Conductive Objects are Placed on Front Passenger Seat
16-NA-2462017-08-31. Service bulletin. This informational bulletin provides an upate for Cause information on Airbag Warning Lamp Illumination Condition.
06-08-50-009I2017-08-15. Service bulletin. This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
230102017-02-03. Service bulletin. 23010 - SERVICE UPDATE. SOME VEHICLES MAY HAVE BEEN PRODUCED WITH A WELD IN THE SEAT BACK FRAME THAT CREATES A SHARP EDGE THAT CAN DAMAGE THE SEAT SIDE AIRBAG WIRING. THESE VEHICLES MAY EXPERIENCE A LOSS OF CONTINUITY TO THE FRONT DRIVER OR PASSENGER SEAT SIDE AIRBAG DEPLOYMENT CIRCUIT, AND WILL RESULT IN A DTC B0021 OR B0014. DEALERS ARE TO INSPECT, AND IF NECESSARY, APPLY ANTI-ABRASION TAPE TO A SPECIFIC WELD.
16NA2462016-10-14. Service bulletin. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON LOCATING AND RECONNECTING AIRBAG CONNECTORS THAT ARE NOT FULLY SEATED TO CORRECT A CUSTOMER CONCERN OF AN AIRBAG WARNING LAMP ILLUMINATED, OR ONE, OR MORE, AIRBAG DTC(S) SET.