P037D - OBD II Trouble Code

Our automotive experts have put together the following information about the P037D diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P037D code.

OBD II Fault Code

• OBD II P037D

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

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 P037D.

Engine may not start Symptoms

• Engine may not start
• Hard engine start

Common Problems That Trigger the P037D Code

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

Common Repairs Needed for the P037D Code

• Glow Plug Replacement