Chevrolet TSB #12238B
2013 Chevrolet Malibu
Affected Component: ELECTRICAL SYSTEM
- Summary
- 12238B - Service Update (revised population). 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.