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January 1, 2004 Service bulletin

Incorrect PCM (powertrain control module) part number setting DTC (diagnostic trouble code) P0135

Chevrolet technical service bulletin 01670 for 2004 Chevrolet Impala, 2004 Buick Regal and 2004 Chevrolet Monte Carlo.

Bulletin number
01670
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Incorrect PCM (powertrain control module) part number setting dtc (diagnostic trouble code) p0135. Tt

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

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