For 1990-2009 cars only
Circuit Description
This DTC identifies a malfunction within the EBCM/EBTCM.
Conditions for Setting the DTC
DTC C1255 is set when an internal EBCM/EBTCM malfunction exists.
Action Taken When the DTC Sets
| • | A malfunction DTC is stored. |
| • | ABS/TCS is disabled. |
| • | ABS/TCS Indicators are turned on. |
| • | Magnetic Steering Variable Assist (MSVA) is disabled. |
| • | Tire Inflation Monitor (TIM) is disabled. |
| • | TIM Indicator is turned on when disabled. |
Conditions for Clearing the DTC
| • | Condition for DTC is no longer present and scan tool clear DTC function is used. |
| • | 100 ignition cycles have passed with no DTCs detected. |
Diagnostic Aids
| • | When DTC C1255 is displayed on the Scan Tool, it will be followed by two more numbers which should be noted along with any other DTCs that may be displayed. The additional two numbers displayed with DTC C1255 are for aiding engineering to determine the cause of the internal malfunction. |
| • | Make sure the integrity of the connection between the EBCM/EBTCM and the BPMV is clean, secure, tight, and free from corrosion. |
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Diagnostic System Check performed? | -- | ||
2 | Are any other DTCs present besides C1255? | -- | Go to Diagnostic Trouble Code (DTC) List for the Applicable DTC | |
3 |
Was any damage found? | -- | ||
4 | Repair as necessary. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
5 |
Does the DTC reset as a current DTC? | -- | -- | |
6 | Replace the EBCM/EBTCM. Refer to Electronic Brake Control Module/Electronic Brake and Track Control Module Replacement . Is the replacement complete? | -- | -- |
