C0236

DTC C0236





Circuit Description
The engine control module (ECM) provides the electronic brake and traction control module (EBTCM) with engine RPM data so that it can determine traction control operation.

DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC C0236 TCS RPM Signal Circuit

Conditions for Running the DTC
The ignition is ON.

Conditions for Setting the DTC
^ The DTC will set if the ABS control module detects an open or short in the RPM signal circuit.
^ The EBTCM does not receive a RPM signal one second after the engine has been started.

Action Taken When the DTC Sets
^ The EBTCM disables the traction control system (TCS).
^ The TCS enable lamp is turned OFF.

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

Diagnostic Aids





Inspect the wiring, the components, and the connectors for the following:
^ Proper connection
^ Backed-out terminals
^ Broken connector locks
^ Corrosion in the connectors/terminals
^ Burned, chafed, or pinched wiring
^ A broken wire inside the insulation
^ Loose components
^ Both brake lamp bulbs burned out