B0002

DTC B0002

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B0002 Immobilizer-Engine Control Module (ECM) Communication Circuit

CONDITIONS FOR SETTING THE DTC
Slip Ring Communication Error-Each time the body control module (BCM) receives a message with an invalid checksum via the slip ring a counter is incremented. Twenty consecutive bad messages must be received to set the DTC.

TEST DESCRIPTION

Step 1 - Step 4:

The numbers below refer to the step numbers on the diagnostic table.
3. This step tests whether the condition is the module, the system, or a related condition.
4. This step tests if the condition has been corrected or identified as specified in the supporting text.