Pinpoint Test A: Open PSCM (Power Steering Control Module) Fuse(S)
- Refer to POWER STEERING CONTROLS
for schematic and connector information.
Normal Operation and Fault Conditions
There are 2 power sources for the PSCM, the high current power steering fuse, and the low current power steering fuse. Refer to the wiring diagrams to review the PSCM circuit for both the high current and low current fuse locations as well as the associated power and ground wiring. Open power steering fuse can occur when the power or ground wiring is shorted against another component or water intrusion in the respective connectors or connections.
Possible Sources
- Fuse(s)
- Wiring, terminals or connectors
- COMPLETE THE FDRS GUIDED ROUTINENOTE: This procedure must be completed using FDRS. Do not clear DTCs until the FDRS procedure has completed. To complete the diagnosis, navigate to the FDRS Guided Routine tab and carry out the procedure
Electronic Power Assist Steering (EPAS) Invalid or Missing Controller Area Network (CAN) Data