Service engine soon (SES) light on, reduced vehicle power / acceleration / speed, diagnostic trouble code...
Cadillac technical service bulletin 030604028 for 2002-2003 Cadillac Deville and 2002-2003 Cadillac Seville.
- Bulletin number
- 030604028
- Component
- Engine and engine cooling: engine
- Summary
- Service engine soon (ses) light on, reduced vehicle power / acceleration / speed, diagnostic trouble code (dtc) p0420. Tt
Owners of these vehicles have filed 79 complaints in the engine category.
Vehicles covered
- Cadillac Deville 2002-2003 20022003
- Cadillac Seville 2002-2003 20022003
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