P1339 2016 GMC Sierra 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 2016 GMC Sierra 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 2016 GMC Sierra Description
What are the Possible Causes of the DTC P1339 2016 GMC Sierra?
- 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 2016 GMC Sierra?
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 2016 GMC Sierra 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 2016 GMC Sierra code?
Need more information on how to fix the P1339 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1339 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1339 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code P1339 on a 2016 GMC Sierra?
- Common symptoms include rough idling, decreased engine performance, and in some cases, the Check Engine light may illuminate.
2. What does the OBDII code P1339 "Cylinder 2 Glow Plug Offset Exceeded Learning Limit" mean on a 2016 GMC Sierra?
- This code indicates that the engine control module has detected that the offset for the glow plug in cylinder 2 has exceeded the learning limit.
3. What are the possible causes of OBDII code P1339 on a 2016 GMC Sierra?
- Possible causes include faulty glow plug in cylinder 2, wiring issues, a malfunctioning glow plug control module, or a problem with the engine control module.
4. How serious is OBDII code P1339 on a 2016 GMC Sierra?
- While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential engine performance issues and further damage.
5. Can I continue driving my 2016 GMC Sierra with OBDII code P1339?
- It is not recommended to drive the vehicle extensively with this code present, as it can lead to decreased engine performance and potential long-term damage.
6. How can I diagnose OBDII code P1339 on my 2016 GMC Sierra?
- Diagnosing this code typically involves checking the glow plug in cylinder 2, inspecting the wiring connections, and using a diagnostic scanner to reset the code and monitor the system.
7. What are some repair tips for fixing OBDII code P1339 on a 2016 GMC Sierra?
- Repair tips may include replacing the faulty glow plug, repairing any damaged wiring, resetting the engine control module, or seeking professional assistance for further diagnosis.
8. Is it possible to clear OBDII code P1339 on a 2016 GMC Sierra without fixing the issue?
- While it is possible to clear the code temporarily, it is important to address the underlying problem to prevent the code from reoccurring and potentially causing more significant issues.
9. How much does it typically cost to repair OBDII code P1339 on a 2016 GMC Sierra?
- The cost of repairing this code can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
10. Can I fix OBDII code P1339 on my 2016 GMC Sierra myself, or do I need to take it to a mechanic?
- Depending on your mechanical skills and access to tools, you may be able to address this code yourself by following repair guides or seeking assistance from a professional mechanic for more complex issues.
Discuss the causes and fixes for P1339 2016 GMC Sierra OBDII Code
Code P1339 2016 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
