Zoeken
P0974
Systeem
Powertrain (Transmission)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Shift Solenoid A Control Circuit High

Understand P0974, common causes, and the right TOPDON scanner to diagnose it.

Shift solenoid A control circuit open or high.

Veelvoorkomende symptomen

  • Missed shifts
  • Check engine light

Typische oorzaken

  • Open circuit
  • Failed solenoid
  • Broken wire at trans

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 P0974 mean?
P0974 indicates shift solenoid a control circuit high. Shift solenoid A control circuit open or high.
Can I diagnose P0974 with a basic code reader?
P0974 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 P0974?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with P0974?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.