# Service bulletin 12238

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: 10089684
- Published by NHTSA: 2017\-01\-26
- Manufacturer's number: 12238
- Manufacturer's date: 2012\-10\-19
- NHTSA component: ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

12238 \- SERVICE UPDATE. THE GENERATOR CONTROL MODULE \(GCM\) MAY NOT FUNCTION PROPERLY, RESULTING IN THE GRADUAL LOSS OF BATTERY CHARGE, ILLUMINATION OF THE MIL, AND EVENTUAL ENGINE STALL OR NO START CONDITION. DEALERS ARE TO INSPECT AND REPLACE THE GCM, IF NECESSARY.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Engine, 12\-volt battery

## Vehicles listed

- 2012 BUICK LACROSSE
- 2012 BUICK REGAL
- 2013 CHEVROLET MALIBU

## Other bulletins for the same vehicles and component

- [20\-NA\-132](/bulletins/10252774.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [PIT5074H](/bulletins/10247061.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J\-35616\-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
- [PIT5074G](/bulletins/10247060.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Terminal Test Probe And Replacement Terminal.
- [12238D](/bulletins/10245861.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Loss of Battery Charge ? Inspect Generator Control Module
- [12238C](/bulletins/10245860.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Loss of Battery Charge ? Inspect Generator Control Module
- [12238B](/bulletins/10245859.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Loss of Battery Charge ? Inspect Generator Control Module
- [12238](/bulletins/10245857.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Loss of Battery Charge ? Inspect Generator Control Module
- [030603004V](/bulletins/10159570.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
- [110849001Z](/bulletins/10158865.md), 2019-04-22, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center \(DIC\) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
- [18NA180](/bulletins/10158816.md), 2019-04-22, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.

JSON: [/v1/bulletins/10089684](/v1/bulletins/10089684)

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