P037E
Glow Plug Sense Circuit Low
P037E is an OBD-II diagnostic trouble code meaning: Glow Plug Sense Circuit Low. Common causes: open or short circuit in the glow plug circuit, faulty glow plug relay. Estimated repair cost: $56–167.
Symptoms
- Difficulty starting the engine, especially in cold weather
- Floating idle speed
- Increased fuel consumption
- Check engine light comes on
Causes
- Open or short circuit in the glow plug circuit
- Faulty glow plug relay
- Wear or failure of glow plugs
- Wiring Harness Problems
- Malfunction of the engine control unit (ECU)
How to Fix
- Check the continuity of the glow plug circuit using a multimeter
- Check glow plug relay
- Replace faulty glow plugs
- Check and replace wiring harness if necessary
- Check the operation of the computer
Related codes
Error P037E by Vehicle Brand
FAQ
What does the P037E code mean?
P037E is an OBD-II diagnostic trouble code that indicates: Glow Plug Sense Circuit Low
What causes a P037E error code?
The most common causes of P037E include: Open or short circuit in the glow plug circuit; Faulty glow plug relay; Wear or failure of glow plugs; Wiring Harness Problems.
How do I fix a P037E diagnostic trouble code?
To fix P037E: Check the continuity of the glow plug circuit using a multimeter. Check glow plug relay. Replace faulty glow plugs. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P037E?
Limited driving only, diagnose soon
How much does it cost to fix P037E?
The estimated repair cost for P037E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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