U0126

U0126-LOST COMMUNICATION WITH STEERING ANGLE SENSOR

For a complete wiring diagram refer to the Wiring Information Electrical Diagrams.

- When Monitored:

- With the ignition on
- Battery voltage between 10 and 16 volts
- IOD fuse installed
- FCM is configured correctly
- Set Condition:
Bus messages not received from the Steering Angle Sensor for approximately 500ms.





1. VERIFY DTC IS ACTIVE

NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

1. With the scan tool, read active DTCs.

Is this DTC active?

Yes

- Go To 2

No

- Refer to the Stored Lost Communication test procedure Stored Lost Communication DTCs.

2. VERIFY THAT THE STEERING ANGLE SENSOR IS ACTIVE ON THE BUS
1. Turn the ignition on.
2. With the scan tool, select Network Diagnostics.
3. Verify that the Steering Angle Sensor is active on the bus.

Is the Steering Angle Sensor active on the bus?

Yes

- Go To 3

No

- Refer to the no response test procedure Manufacturer Code Charts

3. STEERING ANGLE SENSOR
1. Replace the Steering Angle Sensor.
2. Perform ABS VERIFICATION TEST ABS Verification Test
3. With the scan tool, read ABS DTCs.

Did DTC U0126-LOST COMMUNICATION WITH STEERING ANGLE SENSOR reset?

Yes

- Replace the Anti-Lock Brake Module.
- Perform ABS VERIFICATION TEST ABS Verification Test

No

- Test complete.