# Service bulletin 20NA230

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.

- Type: Service bulletin
- NHTSA id: 10187424
- Published by NHTSA: 2021\-02\-22
- Manufacturer's number: 20NA230
- Manufacturer's date: 2020\-12\-21
- NHTSA component: EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE

## NHTSA's summary

This service bulletin provides a procedure to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) \- DTC P2B95, P2B0A, P2B08, P2B09, and/or P2B0B set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10187424-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10187424-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Lighting, Engine control module

## Trouble codes named

P2B08, P2B09, P2B0A, P2B0B, P2B95

## Vehicles listed

- 2021 CHEVROLET EQUINOX
- 2021 CHEVROLET MALIBU
- 2021 GMC TERRAIN

## Other bulletins for the same vehicles and component

- [PIP5628F](/bulletins/10236164.md), 2023-05-15, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 \- P0308 and/or P050D
- [PIE0703](/bulletins/10213717.md), 2022-06-10, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Intermittent No Start But Vehicle Has Power.
- [21NA257](/bulletins/10207917.md), 2022-02-14, Service bulletin: EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) Illuminated \- DTC P3075 Set.
- [A202321990](/bulletins/10200192.md), 2021-08-09, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); EQUIPMENT; ELECTRICAL SYSTEM. Service Update. Certain vehicles may have engine control module software that leads to erroneous additional fuel enrichment under rare driving conditions. Dealers are to reprogram the engine control module.
- [21NA139](/bulletins/10200140.md), 2021-08-09, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) Illuminated \- DTC P3055 Set.
- [20NA234](/bulletins/10187427.md), 2021-02-22, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This service bulletin provides a procedure to program the ECM if found the cause of the MIL.
- [20NA234](/bulletins/10186100.md), 2021-02-01, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides a procedure to program the ECM if found the cause of the MIL.

JSON: [/v1/bulletins/10187424](/v1/bulletins/10187424)

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