# Service bulletin G\-158994

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: 10114124
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: G\-158994
- Manufacturer's date: 2013\-02\-13
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

12238D \- Service Update \(revised part numbers \& instructions\). 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, if necessary, the GCM.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10114124-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10114124-0001.pdf)

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

## Components

Electrical system, Software

## Vehicles listed

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

## Recalls for the same vehicles and component

- [13V097000](/recalls/nhtsa/13V097000.md), 2013-03-15: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION
- [12V224000](/recalls/nhtsa/12V224000.md), 2012-05-18: ELECTRICAL SYSTEM:SOFTWARE

## Other bulletins for the same vehicles and component

- [PIP5146](/bulletins/10253405.md), 2024-04-22, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; ELECTRICAL SYSTEM:SOFTWARE. Chatter Or Bind Feel On Turns.
- [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.
- [PIC5687C](/bulletins/10246982.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Checking Smartphone Bluetooth Software Update Status
- [PIC5656A](/bulletins/10246973.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Outside Ambient Temperature Display Missing.
- [130089004H](/bulletins/10246623.md), 2023-12-11, Service bulletin: VISIBILITY:WINDSHIELD; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR \(TPS\). Car and Truck Fix it Right the First Time Issues
- [130089003](/bulletins/10246614.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Vehicle Software Enhancements
- [PIP5632G](/bulletins/10230683.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
- [PIP4902Q](/bulletins/10230682.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
- [DOR\-G9Z8V\-12](/bulletins/10169038.md), 2019-12-09, Service bulletin: FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE. This SKU is a Fuel Pump Driver Module. The customer communication requested return of unsold inventory to inspect the software. The software may have a fault where the readiness monitors are stuck in the not\-ready or incomplete position. The readiness monitors will not cause performance or emissions issues but will prevent the emissions scanning tools from confirming the module is performing correctly, causing the vehicle to fail state required emissions tests.
- [150844001J](/bulletins/10166666.md), 2019-10-28, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade.

JSON: [/v1/bulletins/10114124](/v1/bulletins/10114124)

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