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P1701
Sistema
Powertrain (Transmission)
Scanner richiesto
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Reverse Incorrect Ratio

Understand P1701, common causes, and the right TOPDON scanner to diagnose it.

Reverse gear ratio incorrect — internal slip or low fluid in reverse.

Sintomi comuni

  • Slip in reverse
  • Delayed reverse engagement

Cause tipiche

  • Low ATF
  • Worn reverse clutch
  • Failed reverse band

Di quale scanner hai bisogno?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Usa dati live e freeze frame prima di sostituire componenti. I codici ABS, SRS e U richiedono di solito uno scanner full-system.

Consigli diagnostici

  • Registra il freeze frame quando compare il codice
  • Cancella il codice solo dopo aver risolto la causa
  • Controlla codici pending correlati
  • Verifica che la batteria sia sopra 12,4 V prima di sospettare i sensori

Scanner TOPDON consigliati

Domande frequenti

What does P1701 mean?
P1701 indicates reverse incorrect ratio. Reverse gear ratio incorrect — internal slip or low fluid in reverse.
Can I diagnose P1701 with a basic code reader?
P1701 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Which TOPDON scanner do I need for P1701?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with P1701?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.