C0240

DTC C0240

Circuit Description
The powertrain control module (PCM) monitors various engine parameters and will not allow traction control operation if any parameter falls outside a specified range.

DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC C0240 PCM Traction Control Not Allowed

Conditions for Running the DTC
^ The ignition is ON.
^ Ignition voltage is greater than 8 volts.

Conditions for Setting the DTC
The PCM sends a serial data message to the electronic brake control module (EBCM) indicating that torque reduction is temporarily not allowed.

Action Taken When the DTC Sets
^ The EBCM disables the traction control system (TCS) until the DTC becomes a history DTC.
^ The ABS remains functional.

Conditions for Clearing the DTC
^ The condition for the DTC is no longer present and the DTC is cleared with a scan tool.
^ The EBCM automatically clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles.

Diagnostic Aids

Step 1:

This DTC is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS/TCS system.