C1256

Circuit Description
This DTC identifies a malfunction within the EBCM.

Condition for Running the DTC
The ABS conditions and the braking conditions are normal.

Condition for Setting the DTC
An internal EBCM malfunction exists.

Action Taken When the DTC Sets
- The ABS remains functional.
- The ABS indicator remains OFF.

Conditions for Clearing the DTC
- The condition for the DTC is no longer present (the DTC is not current) and you used the scan tool Clear DTC function.
- The condition for the DTC is no longer present (the DTC is not current) and you used the On-Board Diagnostics Clear DTC function.
- The EBCM automatically clears the history DTC when a current DTC is not detected in 50 consecutive drive cycles.

Diagnostic Aids
- When the scan tool displays the DTC, 2 more numbers follow the DTC. Note the 2 numbers and any other DTCs. The 2 numbers with the DTC are an engineering aid in order to determine the cause of the internal malfunction.
- Make sure the integrity of the connection between the EBCM and the BPMV is secure, tight, and free from corrosion.

Test Description
The number below refers to the step number on the diagnostic table.
2. This step determines whether the DTC is set current.