Power Steering System
DTC C0899
Circuit Description
The power steering control module (PSCM) has a discrete battery positive voltage supply circuit. The PSCM monitors the voltage level on this circuit to ensure the power steering system has adequate voltage levels to perform the system functions.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC C0899 Device 1 Voltage Low
This vehicle has DTCs which include DTC symptoms. For more information on DTC symptoms, refer to DTC Symptom Description.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
Power steering system voltage is less than 9 volts for at least one second.
Action Taken When the DTC Sets
^ DTC C0899 03 is stored in memory.
^ The driver information center (DIC) displays the POWER STEERING warning message.
^ No steering assist is provided.
Conditions for Clearing the DTC
^ A current DTC will clear when the malfunction is no longer present.
^ A history DTC will clear after 100 consecutive malfunction-free ignition cycles.
Test Description
The number below refers to the step number on the diagnostic table.
2. This step tests if the voltage malfunction exists in the power steering system.
