DTC Trigger

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This DTC sets if the PSCM calibration data does not match the PSCM software version.

Pinpoint Test Purpose

To verify PSCM C1110 is present and provide diagnostics if DTC C1110 is currently present and active in the PSCM.

AA1: CHECK VEHICLE HISTORY

Check the vehicle history for recent service actions related to the:
- PSCM
- Steering gear
- Steering column
- Electronic steering actuator
Have there been any recent service actions related to the components listed above?

Yes	No
REPEAT the PMI procedure as directed by the diagnostic scan tool or CONFIGURE the PSCM using vehicle as-built data.	Go to AA2.

AA2: VERIFY THE PSCM DTC

Clear the PSCM DTCs.
Ignition OFF.
Wait at least 90 seconds for the modules to completely shut off.
Ignition ON, engine running.
Carry out the PSCM self-test.
Does DTC C1110 return?

Yes	No
Go to AA3.	The condition causing the DTC is not present at this time.

AA3: VERIFY PSCM CONFIGURATION

Ignition ON, engine OFF.
Using a diagnostic scan tool, configure the PSCM. Refer to the Module Configuration article.
Ignition OFF.
Wait at least 90 seconds for the modules to completely shut off.
Ignition ON, engine running.
Carry out the PSCM self-test.
Does DTC C1110 return?

Yes	No
INSTALL a new EPAS steering column. REFER to the Steering Column article. ORDER a replacement EPAS column and INCLUDE the RVC on the form. If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.	The condition causing the DTC is not present at this time.