For 1990-2009 cars only
Circuit Description
This DTC identifies a malfunction within the EBCM.
Conditions for Running the DTC
The ABS conditions are normal.
Conditions for Setting the DTC
An internal EBCM malfunction exists.
Action Taken When the DTC Sets
C1255
| • | The EBCM disables the ABS for the duration of the ignition cycle. |
| • | The ABS indicator turns ON. |
C1256
| • | The ABS remains functional. |
| • | The ABS indicator remains OFF. |
Conditions for Clearing the DTC
| • | The condition responsible for setting the DTC no longer exists and the Scan Tool Clear DTCs function is used. |
| • | 100 drive cycles pass with no DTCs detected. A drive cycle consists of starting the vehicle, driving the vehicle over 16 km/h (10 mph), stopping and then turning the ignition OFF. |
Diagnostic Aids
Inspect that the EBCM to BPMV connection is secure, tight, and free from corrosion.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Antilock Brake System Schematics | |||
1 | Did you perform A Diagnostic System Check - ABS? | Go to Step 2 | |
2 | Replace the EBCM. Refer to Electronic Brake Control Module Replacement . Did you complete the replacement? | System OK | -- |
