P037A

2017-10-10

Description:

  • Glow Plug/Heater Indicator Control Circuit Low

Possible Symptoms:

  • Check the glow plug/heater indicator control circuit for any loose or damaged connections.

  • Inspect and test the glow plug/heater relay for proper functioning and replace if necessary.

  • Check the glow plugs/heater element for any signs of damage or malfunction and replace as needed.

  • Ensure that the engine coolant temperature sensor is reading accurately and replace if faulty.

  • Finally, inspect the glow plug/heater control module for any faults and replace if necessary.

Possible Causes:

  • Faulty glow plug or heater control module

  • Malfunctioning glow plug or heater relay

  • Wiring issues or loose connections in the glow plug/heater indicator control circuit

  • Faulty engine coolant temperature sensor

  • Faulty engine control module (ECM)

Related Parts:

Possible Solutions:

  • Engine misfires or struggles to start in cold weather

  • Poor fuel economy

  • Check engine light illuminates

  • Decreased engine performance or power

  • Difficulty accelerating or maintaining speed

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