Chevrolet TSB #040604023
2002 Chevrolet Impala
Affected Component: ENGINE AND ENGINE COOLING
- TSB Document
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- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 040604023.
- Summary
- POWERTRAIN CONTROL MODULE WILL NOT PROPERLY COMMUNICATE ON BOARD DIAGNOSTIC EGR TEST RESULT INFORMATION TO NON-TECH2 SERVICE OR TEST EQUIPMENT. *EH