P1339 2015 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 2015 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1339 2015 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 2015 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 2015 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.
Need more information about the P1339 2015 Chevrolet Silverado code?
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Frequently Asked Questions about P1339 2015 Chevrolet Silverado Code
What does OBDII code P1339 mean on a 2015 Chevrolet Silverado?
Code P1339 indicates that the Cylinder 2 glow plug offset has exceeded the learning limit, meaning there is an issue with the glow plug or its related system.
What are the symptoms of P1339 on a 2015 Chevrolet Silverado?
Symptoms may include difficulty starting the engine in cold weather, rough idling, reduced fuel efficiency, or an illuminated check engine light.
What causes the P1339 code on a 2015 Chevrolet Silverado?
Common causes include a faulty glow plug, a damaged glow plug control module, wiring or connector issues, or carbon buildup affecting the cylinder's performance.
Can I drive my 2015 Chevrolet Silverado with a P1339 code?
Driving with this code is possible but not recommended, as it can lead to poor engine performance, especially in cold weather, and may worsen the issue over time.
How can I diagnose the P1339 code on my Silverado?
Diagnosis involves checking the glow plug in Cylinder 2, testing the glow plug control module, and inspecting wiring and connectors for damage or corrosion.
How do I fix the P1339 code on a 2015 Chevrolet Silverado?
Repairs may include replacing the faulty glow plug, cleaning carbon buildup in the cylinder, repairing damaged wiring, or replacing the glow plug control module if necessary.
What tools are needed to troubleshoot the P1339 code?
You may need an OBDII scanner, a multimeter for electrical testing, and basic hand tools to access and inspect the glow plug and related components.
How much does it cost to repair the P1339 code on a Silverado?
Costs vary depending on the issue but typically range from $50 to $200 for parts (like a glow plug) and additional labor costs if done by a mechanic.
Can a faulty glow plug cause long-term damage to my Silverado?
Yes, if left unrepaired, it can lead to poor combustion, reduced engine efficiency, and increased wear on other engine components.
Does the P1339 code affect emissions?
Yes, a malfunctioning glow plug can lead to incomplete combustion, which increases emissions and may cause your vehicle to fail an emissions test.
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