AutoCodes – Chevrolet – P1337 Chevrolet

P1337 Chevrolet Code - Glow Plug Offset Not Learned

Quick Answer

The Glow Plug Control Module has not learned the glow plug offset values. Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection. 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: P1337 Chevrolet indicates Glow Plug Offset Not Learned.
Common causes: Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection.
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 2,029

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 25, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1337 Chevrolet 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.

OBDII Code P1337 Chevrolet - Glow Plug Offset Not Learned - AutoCodes.com — P1337 Chevrolet Code - Glow Plug Offset Not Learned

What does this mean?

What are the Possible Causes of the DTC P1337 Chevrolet?

Faulty Glow Plug Control Module
Glow Plug Control Module harness is open or shorted
Glow Plug Control Module circuit poor electrical connection

How to Fix the DTC P1337 Chevrolet?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1337 Chevrolet 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 P1337 Chevrolet code?

Need more information on how to fix the P1337 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1337 Chevrolet 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 P1337 Chevrolet Code

1. What are the common symptoms of OBDII code P1337 in a Chevrolet related to "Glow Plug Offset Not Learned"?

The common symptoms include rough idling, decreased engine performance, and potential difficulty starting the vehicle.

2. What can cause the OBDII code P1337 in a Chevrolet related to "Glow Plug Offset Not Learned"?

Possible causes for this code include a faulty glow plug, issues with the glow plug control module, or a problem with the engine control module (ECM).

3. How serious is the OBDII code P1337 in a Chevrolet related to "Glow Plug Offset Not Learned"?

While the code itself may not cause immediate harm to your vehicle, it can lead to performance issues and potential starting problems if left unresolved.

4. Can I continue driving my Chevrolet with the OBDII code P1337 related to "Glow Plug Offset Not Learned"?

It is generally not recommended to drive your vehicle with this code present, as it can impact engine performance and potentially lead to further damage if not addressed promptly.

5. How can I repair the OBDII code P1337 in my Chevrolet related to "Glow Plug Offset Not Learned"?

Repair options may include checking and replacing faulty glow plugs, inspecting the glow plug control module for issues, and resetting the ECM to relearn the glow plug offset.

6. Will resetting the ECM clear the OBDII code P1337 in my Chevrolet related to "Glow Plug Offset Not Learned"?

Resetting the ECM may temporarily clear the code, but it is important to address the underlying issue causing the code to prevent it from recurring.

7. Can I diagnose the OBDII code P1337 in my Chevrolet related to "Glow Plug Offset Not Learned" at home?

While you can use an OBDII scanner to retrieve the code, diagnosing and repairing the specific cause of P1337 may require specialized knowledge and tools best handled by a professional mechanic.

8. How much does it typically cost to repair the OBDII code P1337 in a Chevrolet related to "Glow Plug Offset Not Learned"?

The cost of repair can vary depending on the exact cause of the code, but it may involve parts replacement, labor costs, and potential diagnostic fees, so it's advisable to get a quote from a trusted mechanic.

9. Are there any preventive measures to avoid the OBDII code P1337 in my Chevrolet related to "Glow Plug Offset Not Learned"?

Regular maintenance, such as checking and replacing glow plugs at recommended intervals, can help prevent issues that may trigger this code.

10. How long does it take to repair the OBDII code P1337 in a Chevrolet related to "Glow Plug Offset Not Learned"?

The repair time can vary based on the specific cause of the code and the complexity of the fix. It's best to consult with a mechanic to get an accurate estimate of the repair duration.