Pinpoint Test A-4: DTC (Diagnostic Trouble Code) U0131:XX A Module Cannot Communicate With The PSCM (Power Steering Control Module)

Possible Sources 

• Fuse(s)
• Wiring, terminals or connectors
• HS-CAN concern
• PSCM

Visual Inspection and Pre-checks 

• Service Information diagnostics for another module not communicating with the PSCM must be carried out prior to entering this test.

Refer to Electronic Power Assist Steering Guided Routine .