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P1339 2016 Chevrolet Silverado Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit

Quick Answer

The diagnostic trouble code P1339 on a 2016 Chevrolet Silverado indicates that the Engine Control Module (ECM) has detected that the offset value for the glow plug in cylinder 2 has exceeded the learning limit. Common causes include Faulty glow plug in cylinder 2, Wiring issues in the glow plug circuit, 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 2016 Chevrolet Silverado indicates Cylinder 2 Glow Plug Offset Exceeded Learning Limit.
Common causes
Common causes include Faulty glow plug in cylinder 2, Wiring issues in the glow plug circuit, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P1339 2016 Chevrolet Silverado Description

The diagnostic trouble code P1339 on a 2016 Chevrolet Silverado indicates that the Engine Control Module (ECM) has detected that the offset value for the glow plug in cylinder 2 has exceeded the learning limit. Glow plugs are essential components in diesel engines that help with cold starting by heating the combustion chamber. When the offset value exceeds the learning limit, it means that the glow plug is not functioning properly, which can lead to issues with cold starting, reduced engine performance, and increased emissions.

OBDII Code P1339 2016 Chevrolet Silverado - Cylinder 2 Glow Plug Offset Exceeded Learning Limit
P1339 2016 Chevrolet Silverado Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit

Common Causes of P1339 2016 Chevrolet Silverado

  1. Faulty glow plug in cylinder 2
  2. Wiring issues in the glow plug circuit
  3. Malfunctioning glow plug control module
  4. ECM software glitch or malfunction
  5. Environmental factors such as extreme cold affecting the glow plug's performance

Symptoms of P1339 2016 Chevrolet Silverado

  1. Difficulty starting the engine, especially in cold weather
  2. Rough idling or engine misfires
  3. Decreased fuel efficiency
  4. Illumination of the Check Engine Light
  5. Increased emissions

How to Fix P1339 2016 Chevrolet Silverado

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the trouble codes and perform a thorough inspection of the glow plug in cylinder 2.
  2. If the glow plug is found to be faulty, it will need to be replaced with a new one. Ensure that the replacement glow plug is compatible with the vehicle's make and model.
  3. Check the wiring in the glow plug circuit for any damage or loose connections. Repair or replace any damaged wiring as needed.
  4. Inspect the glow plug control module for any signs of malfunction. Replace the control module if necessary.
  5. Clear the trouble codes from the ECM's memory and perform a test drive to ensure that the issue has been resolved.

Cost to Fix P1339 2016 Chevrolet Silverado

The typical repair costs for addressing a P1339 code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. Replacement glow plugs can range from $20 to $50 each, and the cost of labor for diagnosis and repair can range from $100 to $300. Additional costs may be incurred if other components need to be replaced or if further diagnostics are required. It's important to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on the individual circumstances of the vehicle. Labor rates at auto repair shops can vary, so it's advisable to inquire about rates in your local area for a more precise cost estimate.

What does this mean?

Tech Notes for P1339 2016 Chevrolet Silverado

If a Glow Plug was replaced, perform a Glow Plug Learn procedure with a Scan Tool.

Need more information about the P1339 2016 Chevrolet Silverado code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1339 2016 Chevrolet Silverado Code

1. What does the OBDII code P1339 mean on a 2016 Chevrolet Silverado?

The P1339 code indicates that the Cylinder 2 Glow Plug Offset has exceeded the learning limit, usually related to issues with the glow plug system in the diesel engine.

2. What are the common symptoms of code P1339 on a 2016 Silverado?

Symptoms may include difficulty starting in cold weather, rough idle, reduced engine performance, and the check engine light being illuminated.

3. What causes the P1339 code on a 2016 Chevrolet Silverado?

Common causes include a faulty glow plug in Cylinder 2, damaged glow plug wiring, poor electrical connections, or a malfunctioning glow plug control module.

4. How can I fix the P1339 code on my 2016 Silverado?

Repairs may involve replacing the faulty glow plug in Cylinder 2, repairing damaged wiring, cleaning or reconnecting electrical connections, or replacing the glow plug control module if necessary.

5. Can I drive my 2016 Silverado with the P1339 code active?

Driving with this code is possible but not recommended, as it can lead to hard starts in cold weather and potential damage to the engine over time.

6. How do I diagnose the P1339 code on a 2016 Chevrolet Silverado?

Diagnosis involves using an OBDII scanner to confirm the code, inspecting the Cylinder 2 glow plug and related wiring, and testing the glow plug control module for proper function.

7. How much does it cost to repair the P1339 code on a 2016 Silverado?

Repair costs can range from $50 to $150 for a single glow plug replacement, and higher if additional components like the control module or wiring need repair.

8. Will clearing the P1339 code fix the problem on my 2016 Silverado?

Clearing the code may turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.

9. What tools are needed to troubleshoot the P1339 code on a 2016 Chevrolet Silverado?

Basic tools include an OBDII scanner, a multimeter for electrical testing, and possibly a socket set for removing and replacing the glow plug.

10. How can I prevent the P1339 code from occurring again?

Regular maintenance, such as inspecting and replacing glow plugs as needed and ensuring proper electrical connections, can help prevent this code from reoccurring.

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