C0000

DTC C0000

Steps 1-3:

Circuit Description
The Power Steering Control Module (PSCM) receives a class 2 vehicle speed message from the Engine Control Module (ECM) via a class 2 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, U1301, or U2100 are not set.
- Vehicle speed is greater than 8.1 km/h (5 mph).

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 message center displays the PWR STR warning message.
- Steering assist level defaults to 120 km/h (74.5 mph) vehicle speed level of assist.

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 modules where the vehicle speed message originates.