Zoeken
P0702
Systeem
Powertrain (Transmission)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Transmission Control System Electrical

Understand P0702, common causes, and the right TOPDON scanner to diagnose it.

Electrical fault in transmission control system.

Veelvoorkomende symptomen

  • No gear engagement
  • Trans fault light
  • U0101 may accompany

Typische oorzaken

  • TCM power or ground fault
  • Wiring to transmission
  • Blown trans fuse
  • Failed TCM

Welke scanner heb je nodig?

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

Gebruik live data en freeze frame voordat je onderdelen vervangt. ABS-, SRS- en U-codes vereisen meestal een full-system scanner.

Diagnosetips

  • Leg freeze frame vast wanneer de code voor het eerst verschijnt
  • Wis de code pas na het oplossen van de oorzaak
  • Controleer op gerelateerde pending codes
  • Controleer of accuspanning boven 12,4 V is voordat je sensoren suspecteert

Aanbevolen TOPDON scanners

Veelgestelde vragen

What does P0702 mean?
P0702 indicates transmission control system electrical. Electrical fault in transmission control system.
Can I diagnose P0702 with a basic code reader?
P0702 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 P0702?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with P0702?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.