C0035 2A
C0035 2A
Left Front Wheel Speed Sensor Circuit, Erratic Signal
Fault symptom
- ABS warning lamp on
- Messages shown in SID.
- Steering column lock not working.
On-board diagnosis
Type of diagnosis:
- Continuous
Enable criteria:
- Ignition ON.
- Vehicle speed over 6 km/h
Fault criteria:
- The sensor sends unrealistic vehicle speed signals to the control module for at least 150 ms.
System reaction to a fault:
- No ABS function
- No TCS/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
Diagnosis regards:
- To find an unrealistic increase in the vehicle speed signal from the sensor.
Functions in the diagnostic tool related to the fault:
Test value:
- Wheel Speed LF
(See also description of readings/activations in diagnostic tool)