Pinpoint Test Aa: C1110:56
- Refer to POWER STEERING CONTROLS
for schematic and connector information.
Normal Operation and Fault Conditions
Description
- Due to various steering column hardware versions, a new PSCM must be calibrated or flashed with the correct level of operating software and matching calibration files.
Diagnostic Aid
- For additional information on PMI, REFER to: Module Configuration - System Operation and Component Description
(418-01A Module Configuration, Description and Operation).
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition PSCM C1110:56 Power steering Calibration Data: Invalid/Incompatible Configuration When thePSCM is initialized (ignition ON), the calibration data is checked against the current ECU software version. If the calibration data does not match the software version, this DTC is set. Possible Sources
- PSCM not configured.
- PSCM configuration not complete.
Visual Inspection and Pre-checks
- Refer to Steering GSB for additional connector and wiring inspection tips
- COMPLETE THE FDRS GUIDED ROUTINE
- NOTE: 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) Communication Error
- NOTE: 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
PINPOINT TESTS AA: PSCM DTC C1110 POWER STEERING CALIBRATION DATA