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TQ HPR50 / HPR60 · Communication · Error

TQ HPR50 / HPR60 error code ERR 0403

A connected part is not answering the motor

What you can check

Switch the bike off and on. Look for damaged cables or loose plugs, and disconnect accessories from other makers.

Dealer if the fault comes back

Trolda reads live data from TQ HPR50 / HPR60 bikes. What Trolda shows on your bike

Same part: Communication

Trolda for your e-bike

Trolda connects to your TQ HPR50 / HPR60 bike and shows what you did, what the motor did, and what it cost the battery.

Get Trolda

Trolda is in open testing on iPhone and Android. You get the app through our tester page, it takes a minute.