Left Front Wheel Speed Sensor B Circuit/Open
Left Front Wheel Speed Sensor B Circuit/Open: the circuit is open. Wheel-speed signals feed ABS, ESC, traction control and the speedometer.
Affected components
- Lf wss b
Common causes
- High likelihood: Sensor wiring broken
- Low likelihood: Pin pushed back out of connector body
- Low likelihood: Cracked solder joint inside the module or sensor
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.