AutoCodes – Chevrolet – P1339 2017 Chevrolet Silverado

P1339 2017 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 2017 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.

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Code Popularity 545

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 30, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1339 2017 Chevrolet Silverado Description

The Glow Plug Control Module has not learned the glow plug offset values. If a glow plug has been replaced and the glow plug learn was not performed, or if the Glow Plug Control Module experiences an Electronically Erasable Programmable Read Only Memory (EEPROM) error or data corruption, this Diagnostic Trouble Code (DTC) to set. The DTC will be set if the glow plug hot resistance is outside a predefined threshold.

OBDII Code P1339 2017 Chevrolet Silverado - Cylinder 2 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P1339 2017 Chevrolet Silverado Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P1339 2017 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 2017 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.

What does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1339 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the P1339 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1339 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 2017 Chevrolet Silverado Code

What does the OBDII code P1339 mean on a 2017 Chevrolet Silverado?

The P1339 code indicates that the Cylinder 2 Glow Plug Offset has exceeded the learning limit, suggesting an issue with the glow plug system or related components.

What are the common symptoms of the P1339 code?

Symptoms may include difficulty starting the engine in cold weather, a check engine light, rough idling, or reduced engine performance.

What causes the P1339 code on a 2017 Chevrolet Silverado?

Common causes include a faulty glow plug, damaged glow plug control module, poor electrical connections, or excessive carbon buildup around the glow plug.

Can I drive my Silverado with the P1339 code active?

While the vehicle may still drive, ignoring the code can lead to harder starts in cold weather and potential damage to the glow plug system over time.

How do I diagnose the P1339 code?

Diagnosing involves scanning the vehicle with an OBDII scanner, inspecting the glow plug and its wiring, and testing the glow plug control module for proper operation.

What tools are needed to fix the P1339 code?

Youâ€™ll typically need an OBDII scanner, a multimeter for electrical testing, and basic hand tools to replace the glow plug or repair wiring.

How do I fix the P1339 code?

Repairs may include replacing the faulty glow plug, cleaning carbon buildup around the glow plug, repairing damaged wiring, or replacing the glow plug control module if needed.

Whatâ€™s the average cost to repair the P1339 code?

Costs can range from $100 to $300 for parts and labor, depending on whether just the glow plug or additional components like the control module need replacement.

How can I prevent the P1339 code from coming back?

Regular maintenance, including inspecting and cleaning the glow plugs and ensuring proper electrical connections, can help prevent this code from recurring.

Will resetting the code fix the issue permanently?

Resetting the code may clear the check engine light temporarily, but the underlying issue must be resolved to prevent the problem from returning.