B0025

DTC B0025

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B0025 Engine Start Without Slip Ring Communication

CONDITIONS FOR SETTING THE DTC
Engine Start Without Slip Ring Communications-During key reading the body control module (BCM) checks the engine speed from the engine control module (ECM). When the engine speed is above 500 RPM, the BCM will start a counter to track the number of times the key has been powered up without a valid message being received. When the counter exceeds 20 the DTC is set. This corresponds to 5 seconds of invalid key communications after the engine has been started.

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.