PSCM Circuit Information

WARNING: This page is about a different car, the 2019 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Power Steering Controls , for schematic and connector information.

Refer to Steering GSB for additional connector and wiring inspection tips.

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.

BC1

Start the vehicle.
- Make sure the engine ready indicator is illuminated for hybrid vehicles.

Carry out the PSCM self-test.

Is DTC C1 B00:54 or C1B00:95 currently present and active in the PSCM?

Yes	No
GO to PINPOINT TEST P .	For all other PSCM C1B00 DTCs, Go to BC2. If DTC C1B00:XX is not currently present and active in the PSCM, No fault found. DISCONTINUE this pinpoint test and REFER to the PSCM DTC Chart for direction.

BC2: INSPECT THE EPAS WIRING HARNESS AND ELECTRICAL CONNECTORS

With the transmission in NEUTRAL, position the vehicle on a hoist. Refer to Jacking and Lifting .
Ignition OFF.
PSCM_A connector disconnected. (C1463A)
PSCM_B connector disconnected. (C1463B)
Using a good light source, inspect all disconnected electrical connectors for the following:
- corrosion
- damaged or bent pins
- pushed-out pins
- spread terminals

Are the wire harness and the above electrical connectors in good condition?

Yes	No
Go to BC3.	If the EPAS gear wire harness is not OK, INSTALL a new EPAS gear. REFER to Power Steering article . ORDER a replacement EPAS gear and INCLUDE the RVC on the order form. If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form. If the EPAS column wire harness is not OK, INSTALL a new EPAS steering column. REFER to Steering Column article . ORDER a replacement EPAS column and INCLUDE the RVC on the order form. If this is a Ford paid repair, INCLUDE the on the RVC warranty claim form. If the electrical connectors are not OK, No fault found. REPAIR or INSTALL new electrical connectors as necessary. Using a diagnostic scan tool, CLEAR the PSCM DTCs. RETURN the vehicle to the customer.

Yes

Go to BC3.

If the EPAS gear wire harness is not OK, INSTALL a new EPAS gear.
REFER to Power Steering article .
ORDER a replacement EPAS gear and INCLUDE the RVC on the order form.
If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.
If the EPAS column wire harness is not OK, INSTALL a new EPAS steering column.
REFER to Steering Column article .
ORDER a replacement EPAS column and INCLUDE the RVC on the order form.
If this is a Ford paid repair, INCLUDE the on the RVC warranty claim form.
If the electrical connectors are not OK, No fault found.
REPAIR or INSTALL new electrical connectors as necessary.
Using a diagnostic scan tool, CLEAR the PSCM DTCs. RETURN the vehicle to the customer.

BC3: CHECK THE PSCM FOR RETURNING DTCS

PSCM_A connector connected. (C1463A) Make sure the connector seats and latches correctly.
PSCM_B connector connected. (C1463B) Make sure the connector seats and latches correctly.
Ignition ON, engine OFF.
Clear the PSCM DTCs.
Ignition OFF.
Wait at least one minute.
Start the vehicle.
- Make sure the engine ready indicator is illuminated for hybrid vehicles.

Carry out the PSCM self-test.

Is DTC C1 B00:XX present in the PSCM?

Yes	No
INSTALL a new EPAS gear. REFER to Power Steering article . ORDER a replacement EPAS gear and INCLUDE the RVC on the order 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 and may have been caused by a loose or corroded electrical connector. ADDRESS the root cause of any connector or pin issues.