Pinpoint Tests Purpose

WARNING: This page is about a different car, the 2020 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE: If a damaged bellows boot(s) was discovered during Inspection and Verification and this pinpoint test DOES NOT lead to the installation of a new EPAS gear or bellows boot(s), then go to PINPOINT TEST K to address the damaged boot(s) before returning the vehicle to the customer.

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 gear. REFER to the Power Steering article. ORDER a replacement EPAS gear 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.