Fix Ford Electric Power Steering Doesn’t Work
Ford has been having problems with their early generation electronic power steering systems. The Ford Electric Power Steering Doesn’t Work issue can be caused by a fuse/ground issue or a faulty torque sensor. Ford has issued a service bulletin for some of the issues. The service bulletin addresses a faulty torque sensor. Find that technical service bulletin here.
Step 1 to diagnose Ford Electric Power Steering Doesn’t Work
Scan for trouble codes. You may find trouble code B2278 Steering Shaft Torque Sensor Malfunction. However, perform these tests first. Verify that you have good power and ground to the power steering control module (PSCM) The PSCM has two connectors on the steering column. One is a 6-terminal connector, the other is a 2-terminal connector.
Terminal #1 Yellow/Grey on connector C2231A should be battery voltage with the key in the on position. Terminal 1 (red) in C2231B should be battery voltage at all times. Terminal #2 in C2231B Black/Violet wire should be a good ground. If you don’t see those values, check the fuse and fusible link shown in the Ford electronic power steering wiring diagram above.
If you do see those values, clear the trouble code, and drive again. If the B2278 Steering Shaft Torque Sensor Malfunction code comes back, refer to the service bulletin.
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Posted on by Rick Muscoplat