Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Normal Operation and Fault Conditions
2018 Ford Expedition MAX Limited, 4WDSECTION Normal Operation and Fault Conditions
With the ignition ON, the SASM sends messages to the ABS module over the HS-CAN 2. If the ABS module does not receive these messages within a certain time frame, the ABS module sets a DTC.
PPT J ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Fault Trigger Conditions | |
|---|---|---|
| U0126:87 | Lost Communication With Steering Angle Sensor Module: Missing Message | This DTC sets in continuous memory and on-demand in the ABS module if any of the SASM messages are missing. This can be due to a SASM failure, a circuit failure on the HSCAN or an excessive load on the network. |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.