TQ error code
TQ error 04A8: ERR 04A8 SPD SENS – Speed sensor error
Medium severity Service soon
Can I ride home with this error?
Ride with caution. Assist may stop; you can pedal without it.
What it means
The system is not getting a correct speed signal. TQ also mentions tampering (e.g. speed tuning devices).
Likely causes
- Magnet too far from the speed sensor
- Magnet moved or missing
- Tampering with the speed sensor
Symptoms
- ERR 04A8 SPD SENS on the display
How to fix it
- Check the distance between the magnet and the speed sensor.
- Remove any tuning device; tampering is not allowed.
- Switch the system off and on again.
- If the error comes back, contact your TQ dealer.
How urgent is it?
Fix the magnet; dealer if it repeats.
Applies to
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- 04B0 ERR 04B0 DRV HW – Drive unit mechanical error
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- 0602 WRN 0602 DRV HOT – Drive unit overtemperature (warning)