Home › Jaguar › 2018 › F-Pace Base › Repair and Diagnosis › Engine Performance › Engine Control Systems › Diagnostic Trouble Code Index DTC: Power Steering Control Module (PSCM) - F-Pace › Diagnostic Trouble Code Index DTC: Power Steering Control Module (PSCM) › Description And Operation › Power Steering Control Module (PSCM) › DTC B1304-04: Electronic Power Assisted Steering System - System Internal Failures › Possible Causes