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November 1, 2003 Service bulletin

Erroneous diagnostic trouble code (DTC) P0135 - 1/2 oxygen sensor heater failure

Jeep technical service bulletin 1804003 for 2004 Jeep Grand Cherokee.

Bulletin number
1804003
Component
Electrical system
Summary
Erroneous diagnostic trouble code (dtc) p0135 - 1/2 oxygen sensor heater failure. Tt

Owners of these vehicles have filed 144 complaints in the electrical category.

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