P1339 2014 Chevrolet Silverado Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit
Quick Answer
The P1339 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado specifically indicates an issue with the glow plug in cylinder 2. Common causes include Faulty glow plug in cylinder 2, Wiring or connection issues related to the glow plug, Malfunctioning glow plug control module. 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 2014 Chevrolet Silverado indicates Cylinder 2 Glow Plug Offset Exceeded Learning Limit.
- Common causes
- Common causes include Faulty glow plug in cylinder 2, Wiring or connection issues related to the glow plug, Malfunctioning glow plug control module.
- 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 2014 Chevrolet Silverado Description
The P1339 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado specifically indicates an issue with the glow plug in cylinder 2. Glow plugs are essential components in diesel engines, as they heat the combustion chamber to facilitate cold starts. When the glow plug in cylinder 2 exceeds the learning limit, it means that the engine control module (ECM) has detected a discrepancy in the glow plug's performance compared to what it has learned as normal operation.
Common Causes of P1339 2014 Chevrolet Silverado
- Faulty glow plug in cylinder 2.
- Wiring or connection issues related to the glow plug.
- Malfunctioning glow plug control module.
- ECM programming errors.
- Environmental factors such as extreme cold affecting glow plug performance.
Symptoms of P1339 2014 Chevrolet Silverado
- Difficulty starting the engine, especially in cold weather.
- Rough idling or engine vibrations.
- Decreased fuel efficiency.
- Increased emissions.
- Engine misfires or stalling.
How to Fix P1339 2014 Chevrolet Silverado
- Begin by diagnosing the specific issue using a scan tool to retrieve the DTC and pinpoint the faulty glow plug in cylinder 2.
- Inspect the wiring and connections related to the glow plug for any damage or corrosion.
- Test the glow plug control module for proper functionality and replace if necessary.
- Replace the faulty glow plug in cylinder 2 with a new, compatible part.
- Clear the DTC from the ECM memory and perform a test drive to ensure the issue has been resolved.
Cost to Fix P1339 2014 Chevrolet Silverado
The typical repair costs for addressing a P1339 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue and the cost of parts and labor. Generally, replacing a glow plug in cylinder 2 and addressing related wiring or control module issues can range from $200 to $500. However, it's essential to consider that diagnosis time and labor rates at auto repair shops can vary significantly. Rates typically range between $80 and $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. For a more precise estimate, it's advisable to check local rates before proceeding with the repair.
Tech Notes for P1339 2014 Chevrolet Silverado
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Frequently Asked Questions about P1339 2014 Chevrolet Silverado Code
1. What does the OBDII code P1339 mean for a 2014 Chevrolet Silverado?
P1339 indicates that the Cylinder 2 glow plug offset has exceeded its learning limit, meaning there is an issue with the glow plug system's performance for that cylinder.
2. What are the common symptoms of code P1339 in a 2014 Chevrolet Silverado?
Symptoms may include difficulty starting the engine in cold weather, poor cold engine performance, increased emissions, or an illuminated check engine light.
3. What causes the P1339 code to appear on a 2014 Chevrolet Silverado?
Common causes include a faulty glow plug in Cylinder 2, wiring or connector issues, a malfunctioning glow plug control module, or carbon buildup around the glow plug.
4. Can I still drive my 2014 Chevrolet Silverado with the P1339 code?
While the truck may still run, driving with this code can lead to poor cold starts and increased engine wear over time, especially in colder climates.
5. How do I diagnose the P1339 code in my 2014 Chevrolet Silverado?
Diagnosis involves scanning for codes with an OBDII scanner, inspecting the Cylinder 2 glow plug and its wiring, testing the glow plug for resistance, and checking the glow plug control module.
6. How do I fix the P1339 code on a 2014 Chevrolet Silverado?
Repairs may include replacing the Cylinder 2 glow plug, repairing damaged wiring or connectors, cleaning carbon buildup, or replacing the glow plug control module if it’s faulty.
7. How much does it cost to fix the P1339 code on a 2014 Chevrolet Silverado?
The cost depends on the issue but typically ranges from $50 to $150 for a glow plug replacement, plus labor. More extensive repairs, like module replacement, may cost more.
8. Can a faulty glow plug control module trigger the P1339 code?
Yes, a malfunctioning glow plug control module can fail to regulate the glow plug properly, resulting in this code.
9. Will a cold climate make the P1339 code more noticeable?
Yes, in colder climates, glow plug issues are more apparent due to the engine requiring extra heat for cold starts.
10. Can I clear the P1339 code without fixing the issue?
Clearing the code without addressing the underlying issue may only provide a temporary fix, as the code is likely to return.
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