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ESP_a063 — Re LWSS Direction Fault

Full alert identifier: ESP_a063_ReLWSSDirectionFault

Alert description

Plausibility fault while monitoring of wheel direction. Check mounting position of rear left wheel speed sensor

Potential impact

Will disable VDC/TC and degrade ABS

Set condition

At least one wheelspeed sensor is mounted in the wrong direction. This error will be set if case one: 1 rotation direction of the sensor signal is in one direction and the other 3 rotations are in the other direction OR case two: 1 rotation direction of the sensor signal has no rotation and 1 rotation in one direction and 2 rotations in other direction.

Clear condition

Replace WSS and check proper mounting. All wheel speed sensors show the same rotation for 20 seconds.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of ESP_a063.

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