ESP_a049_FrRWSSDirectionFault
ABS (anti-lock braking system) disabled
What does the ESP_a049_FrRWSSDirectionFault alert mean?
Plausibility fault while monitoring of wheel direction.
What you'll see in your Tesla
- ABS (anti-lock braking system) disabled
- Drive with caution
What triggers it
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.
When it clears
Replace WSS and check proper mounting. All wheel speed sensors show the same rotation for 20 seconds.
Potential impact
Will disable VDC/TC and degrade ABS
Affected models
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