Service update (revised service procedure)
Buick technical service bulletin 12238A for 2012 Buick Regal and 2012-2013 Buick Lacrosse.
- Bulletin number
- 12238A
- Component
- Engine
- Summary
- 12238a - service update (revised service procedure). 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.
Owners of these vehicles have filed 105 complaints in the engine category.
Vehicles covered
- Buick Regal 2012 2012
- Buick Lacrosse 2012-2013 20122013
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