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ESP / U2143 7F

Read the instructions below then start the fault diagnostic procedure.

Symptom: ESP warning lamp on. Message appears in display.

  U2143 7F


Steering Angle Sensor Missing on Bus

Fault symptom

ESP warning lamp on.

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Incorrect information from CIM.

System reaction to a fault:

No ESP function

Checking the wiring harness

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

DTC is not generated if CAN is in "bus off" mode or the control module receives insufficient power supply.