Powertrain control module will not properly communicate on board diagnostic EGR test result information to...
Chevrolet technical service bulletin 040604023 for 2002 Chevrolet Impala, 2002 Pontiac Grand Prix and 2002 Buick Lesabre and others.
- Bulletin number
- 040604023
- Component
- Engine and engine cooling
- Summary
- Powertrain control module will not properly communicate on board diagnostic egr test result information to non-tech2 service or test equipment. Eh
Owners of these vehicles have filed 503 complaints in the engine category.
Vehicles covered
- Chevrolet Impala 2002 2002
- Pontiac Grand Prix 2002 2002
- Buick Lesabre 2002 2002
- Buick Regal 2002 2002
- Chevrolet Monte Carlo 2002 2002
- Pontiac Bonneville 2002 2002
- Buick Park Avenue 2002 2002
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