P1339 Chevrolet Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit
Quick Answer
The P1339 Chevrolet diagnostic trouble code indicates that the cylinder 2 glow plug offset has exceeded the learning limit. Common causes include Faulty glow plug in cylinder 2, Malfunctioning glow plug control module, Wiring issues or electrical connections related to the glow plug system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1339 Chevrolet indicates Cylinder 2 Glow Plug Offset Exceeded Learning Limit.
- Common causes
- Common causes include Faulty glow plug in cylinder 2, Malfunctioning glow plug control module, Wiring issues or electrical connections related to the glow plug system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1339 Chevrolet Description
The P1339 Chevrolet diagnostic trouble code indicates that the cylinder 2 glow plug offset has exceeded the learning limit. Glow plugs are essential components of a diesel engine's ignition system, especially during cold starts. They assist in warming up the combustion chamber to facilitate ignition in diesel engines that do not use spark plugs. The glow plug offset refers to the delay between the activation of the glow plug and the resulting increase in cylinder temperature.
Common Causes of P1339 Chevrolet
- Faulty glow plug in cylinder 2.
- Malfunctioning glow plug control module.
- Wiring issues or electrical connections related to the glow plug system.
- ECM programming errors or glitches.
- Extreme temperature fluctuations affecting the glow plug operation.
Symptoms of P1339 Chevrolet
- Difficulty starting the engine, especially in cold weather.
- Rough idling or engine misfires.
- Decreased fuel efficiency.
- Illumination of the check engine light.
- Increased exhaust emissions.
How to Fix P1339 Chevrolet
- Begin by performing a comprehensive diagnostic scan using a suitable OBD-II scanner to confirm the P1339 Chevrolet code and pinpoint the specific cylinder 2 glow plug offset issue.
- Inspect the glow plug in cylinder 2 for any signs of damage or wear. Replace the glow plug if necessary.
- Check the glow plug control module and associated wiring for any faults or loose connections. Repair or replace components as needed.
- Clear the fault code from the ECM and reset the system to recalibrate the glow plug operation.
- Test drive the vehicle to ensure that the issue has been successfully resolved and that the engine is operating smoothly.
Cost to Fix P1339 Chevrolet
The typical repair costs for addressing a P1339 Chevrolet code related to the cylinder 2 glow plug offset issue can vary depending on the specific components that require replacement or repair. In general, the cost of replacing a glow plug ranges from $50 to $150 per plug, including parts and labor. However, if additional components such as the glow plug control module or wiring need to be replaced, the total repair cost could increase.
Tech Notes for P1339 Chevrolet
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Information for Specific Chevrolet Models
- P1339 2014 Chevrolet Silverado — Cylinder 2 Glow Plug Offset Exceeded Learning Limit
- P1339 2015 Chevrolet Silverado — Cylinder 2 Glow Plug Offset Exceeded Learning Limit
- P1339 2016 Chevrolet Silverado — Cylinder 2 Glow Plug Offset Exceeded Learning Limit
- P1339 2017 Chevrolet Silverado — Cylinder 2 Glow Plug Offset Exceeded Learning Limit
- P1339 2018 Chevrolet Silverado — Cylinder 2 Glow Plug Offset Exceeded Learning Limit
Frequently Asked Questions about P1339 Chevrolet Code
1. What are the common symptoms of OBDII code P1339 on a Chevrolet related to Cylinder 2 Glow Plug Offset Exceeded Learning Limit?
- Common symptoms include rough idling, engine misfires, reduced power, and potential illumination of the Check Engine Light.
2. What could potentially cause the OBDII code P1339 on a Chevrolet indicating Cylinder 2 Glow Plug Offset Exceeded Learning Limit?
- Possible causes include a faulty glow plug, issues with the glow plug control module, wiring problems, or a problem with the engine control module (ECM).
3. How can I diagnose the OBDII code P1339 on a Chevrolet related to Cylinder 2 Glow Plug Offset Exceeded Learning Limit?
- Diagnosis typically involves using a scan tool to retrieve the code, checking the glow plug and its connections, inspecting the wiring, and testing the glow plug control module.
4. Is it safe to continue driving with the OBDII code P1339 on a Chevrolet?
- It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage or performance issues. It is best to address the issue promptly.
5. Can I repair the OBDII code P1339 on a Chevrolet myself?
- Depending on your mechanical skills and access to tools, you may be able to repair this issue yourself by replacing the faulty glow plug, fixing wiring problems, or addressing issues with the control module.
6. How much does it typically cost to repair the OBDII code P1339 on a Chevrolet?
- The cost of repair can vary depending on the exact cause of the issue and whether you choose to do the repair yourself or take it to a professional mechanic. Costs can range from a few hundred dollars to over a thousand.
7. Are there any preventative measures to avoid encountering the OBDII code P1339 on a Chevrolet?
- Regular maintenance, such as checking the glow plugs and their connections, inspecting wiring, and keeping the engine well-tuned, can help prevent issues that may trigger this code.
8. Can a faulty glow plug cause other engine problems besides triggering the OBDII code P1339 on a Chevrolet?
- Yes, a faulty glow plug can lead to poor engine performance, difficulty starting the engine, increased emissions, and potential damage to other engine components over time.
9. How soon should I address the OBDII code P1339 on a Chevrolet once it appears?
- It is advisable to address the issue as soon as possible to prevent further damage to the engine and to ensure optimal performance and fuel efficiency.
10. Will resetting the OBDII code P1339 on a Chevrolet make it go away permanently?
- Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue causing the code is not fixed, it is likely to reappear. It is crucial to diagnose and repair the problem to prevent future occurrences.
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