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Home >> Pontiac >> 2002 >> Aztek FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Body Control Modules) >> Diagnostic Tests >> DTC B1009: Checksum Error In Control Module >> Code Enable Criteria
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Code Enable Criteria

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Following criteria must be met to enable DTC; control module runs a program to detect a check-sum error in memory when a power mode change is commanded. Only requirements are voltage and ground.

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