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January 9, 2002 Service bulletin

Concerns with diagnostic codes P0420, converter efficiency, P0121 tps performance and P0133 and P0153, O2...

Cadillac technical service bulletin 090102 for 2002 Cadillac Deville, 2002 Cadillac Seville and 2002 Cadillac Eldorado.

Bulletin number
090102
Component
Electrical system: ignition: module
Summary
Concerns with diagnostic codes p0420, converter efficiency, p0121 tps performance and p0133 and p0153, o2 sensor slow response. Tt

Owners of these vehicles have filed 53 complaints in the electrical category.

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