P1339
Cylinder 2 Glow Plug Offset Exceeded Learning Limit
P1339 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Glow Plug Offset Exceeded Learning Limit. Common causes: faulty glow plug in cylinder 2, open or short circuit in the glow plug circuit. Estimated repair cost: $6–33.
Symptoms
- Difficulty starting the engine in cold weather
- Unstable engine operation at idle
- Increased fuel consumption
- Reduced engine power
- Check Engine indicator on the dashboard
Causes
- Faulty glow plug in cylinder 2
- Open or short circuit in the glow plug circuit
- Problems with the glow plug relay
- Engine control unit (ECU) malfunction
- Poor contact in the glow plug connector
How to Fix
- Check the resistance of the glow plug in cylinder 2
- Check the integrity of the glow plug power supply circuit
- Check the operation of the glow plug relay
- Inspect the connectors and connections in the glow plug circuit
- If necessary, replace the glow plug
Related codes
Error P1339 by Vehicle Brand
FAQ
What does the P1339 code mean?
P1339 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Glow Plug Offset Exceeded Learning Limit
What causes a P1339 error code?
The most common causes of P1339 include: Faulty glow plug in cylinder 2; Open or short circuit in the glow plug circuit; Problems with the glow plug relay; Engine control unit (ECU) malfunction.
How do I fix a P1339 diagnostic trouble code?
To fix P1339: Check the resistance of the glow plug in cylinder 2. Check the integrity of the glow plug power supply circuit. Check the operation of the glow plug relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1339?
Yes, but get it checked soon
How much does it cost to fix P1339?
The estimated repair cost for P1339 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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