Operation CHARM: Car repair manuals for everyone.

C1256










Circuit Description
This DTC identifies a malfunction within the EBCM. When the EBCM relay is activated (turned on), voltage is supplied to the valve solenoids and pump motor.

Conditions for Running the DTC
The ABS/ETS/TCS conditions are normal.

Conditions for Setting the DTC
DTC C1256 is set when an internal EBCM malfunction exists.

Action Taken When the DTC Sets
^ ABS/ETS/TCS is not disabled.
^ ABS/ETS/TCS Indicators are not turned on.

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
Possible cause for DTC C1256 to set is an internal relay problem within the EBCM.