The Generator Control Module May Fail
Drive Train, May 6, 2013
RepairPal Expert Overview
Our Quick Take:
On vehicles equipped with eAssist, the engine may not start and/or could stall while driving. Additionally, a burning smell and/or fire could develop in the trunk.
What Should You Do?
As of this writing, General Motors has not released a notification schedule for this recall. If you experience any engine stalling condition and/or burning smell, please contact your local dealer as soon as possible and follow their recommendations. They may ask for your vehicle identification number (VIN), so please have it handy when you call. The General Motors Recall number is 13136.
eAssist is a hybrid drive system that includes an electric motor to assist the gas engine under certain driving conditions. These vehicles are being recalled because there may be an internal fault with the Generator Control Module (GCM). The module could allow the battery to discharge to the point were the vehicle could stall and/or not start. Also, a burning smell, smoke, and/or a fire could develop in the trunk. Dealers will inspect and replace the GCM to correct this concern.
Manufacturer's Report Date:
May 6, 2013
NHTSA CAMPAIGN ID Number:
NHTSA Action Number:
Potential Number of Units Affected:
General Motors (GM) is recalling certain model year 2012 and 2013 Buick LaCrosse and Regal, and model year 2013 Chevrolet Malibu Eco vehicles equipped with eAssist. These vehicles may have a condition in which the Generator Control Module (GCM) may not function properly. This could cause a gradual loss of battery charge and the illumination of the malfunction indicator light.
If the vehicle is continued to be driven, the engine may stall and/or the vehicle may not start. In addition, there may be a burning or melting odor, smoke, and possibly a fire in the trunk.
GM will notify owners and dealers will test the GCM and replace it, as necessary, free of charge. The manufacturer has not yet provide a notification schedule. Owners may contact GM at 1-800-521-7300. GM's recall campaign number is 13136.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Recall data provided by the National Highway Traffic Safety Administration