Cadillac: check engine light on, DTC P0174 set (check for vacuum leak and replace ECM, if necessary)
Cadillac technical service bulletin SB-09-06-04-003A for 2008 Cadillac STS.
- Bulletin number
- SB-09-06-04-003A
- Component
- Engine and engine cooling: engine: gasoline
- Summary
- Cadillac: check engine light on, dtc p0174 set (check for vacuum leak and replace ECM, if necessary). If the updated ECM is installed without obtaining the 2009 model year calibrations, the vehicle may return with a p0174 again.
Owners of these vehicles have filed 11 complaints in the engine category.
Vehicles covered
- Cadillac STS 2008 2008
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