OBD II Fault Code

  • OBD II P037E

OBD-II Code Engine may not start is defined as a Glow Plug Sense Circuit Low

Diesel engines use Glow Plugs to heat up the combustion chambers to enable a quicker cold start. If one or more glow plugs is not working properly, the engine control module (PCM) will set code P037E.

Engine may not start Symptoms

  • Engine may not start
  • Hard engine start

Common Problems That Trigger the P037E Code

  • Glow plug control module failure
  • Glow plug failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P037E Code

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