P0382
Systeem
Powertrain (Diesel)
Scanner vereist
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Glow Plug/Heater Circuit "B" Malfunction

Understand P0382, common causes, and the right FOXWELL scanner to diagnose it.

Glow plug heater circuit B fault on diesel engines — cold-start aid not working on one or more plugs.

Veelvoorkomende symptomen

  • Hard cold start
  • White smoke on cold start
  • Check engine light

Typische oorzaken

  • Failed glow plug
  • Glow plug relay or module fault
  • Wiring to plug bank B

Welke scanner heb je nodig?

Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

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 FOXWELL scanners

Veelgestelde vragen

Can I diagnose P0382 with a basic code reader?
P0382 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with P0382?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.