P1339 2014 Chevrolet Silverado Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit
Quick Answer
The Glow Plug Control Module has not learned the glow plug offset values. Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 2, Glow Plug 2 harness is open or shorted. 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 Perform Glow Plug Learn procedure, Faulty Glow Plug 2, Glow Plug 2 harness is open or shorted.
- 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.
Code P1339 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1339 2014 Chevrolet Silverado?
- Perform Glow Plug Learn procedure
- Faulty Glow Plug 2
- Glow Plug 2 harness is open or shorted
- Glow Plug 2 circuit poor electrical connection
How to Fix the DTC P1339 2014 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1339 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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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