Operation CHARM: Car repair manuals for everyone.

C0000

DTC C0000

Circuit Description
The Power Steering Control Module (PSCM) receives a vehicle speed message from the Powertrain Control Module (PCM) via the serial data circuit. The PSCM uses this vehicle speed message, and other inputs, to determine the desired amount of steering assist.

Conditions for Running the DTC
^ The ignition is ON.
^ DTC U1300 or U1301 are not set.

Conditions for Setting the DTC
The PSCM receives an invalid, or no vehicle speed message from the ECM.

Action Taken When the DTC Sets
^ DTC C0000 is stored in memory.
^ The IPC displays the SERVICE VEHICLE SOON warning indicator.
^ Steering assist is set to a default level.

Conditions for Clearing the DTC
^ A current DTC will clear on the next consecutive malfunction free ignition cycle.
^ A history DTC will clear after 100 consecutive malfunction free ignition cycles.
^ Using a scan tool.

Test Description
2. Tests for the presence of vehicle speed related DTCs in the control module where the vehicle speed message originates.






DTC C0000