2018 Ford Mustang EcoBoost, 2D Coupe, Automatic TransFACTORY OEM SERVICE PROCEDURE

Possible Causes

  • Incorrectly installed SASM
  • SASM
  1. AA1: RESET THE STEERING ANGLE AND CHECK FOR DTCS 
    • Ignition ON, engine OFF.
    • Set the front wheels to the straight ahead position.
    • Access the SASM and monitor the SW_ANGLE (ANGL) PID.
    • Does the PID read 0 degrees? 
      Yes No
      Go to  AA3. Go to  AA2.

    Steering Angle Reset DTC

  2. AA2: ADJUST THE STEERING ANGLE SENSOR 
    • Ignition OFF.
    • Remove the SASM but LEAVE the electrical connector CONNECTED. Refer to Steering Column Switches article
      NOTE: Turning the ignition on sets DTCs in multiple modules
    • Ignition ON, engine OFF.
    • Access the SASM and monitor the SW_ANGLE (ANGL) PID.
    • Manually adjust the steering angle sensor until the SW_ANGLE PID displays 0 degrees
    • Ignition OFF.
    • Install the SASM. Refer to Steering Column Switches article
    • CLEAR all DTCs from all modules.

    The repair is complete.

  3. AA3: CHECK FOR CORRECT SASM OPERATION 
    • Ignition OFF.
    • Disconnect and inspect the SASM connector.
    • Repair:
      • corrosion (install new connector or terminal - clean module pins)
      • damaged or bent pins - install new terminals or pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the SASM connector. Make sure it seats and latches correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
      Yes No
      CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA.
      If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions.
      If no service articles address this concern, INSTALL a new SASM. REFER to Anti-Lock Brake System (ABS) and Stability Control article
      The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.