AutoCodes – Cadillac – P1337 Cadillac

P1337 Cadillac 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 Cadillac 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 424

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

What does this mean?

What are the Possible Causes of the DTC P1337 Cadillac?

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 Cadillac?

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 Cadillac 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 Cadillac code?

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

Need Help with the Code?

Get the P1337 Cadillac 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 Cadillac Code

1. What are the common symptoms of OBDII code P1337 Cadillac (Glow Plug Offset Not Learned)?

- Common symptoms include rough idling, difficulty starting the engine, reduced engine performance, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P1337 Cadillac?

- The code P1337 Cadillac typically indicates a problem with the glow plug system, such as faulty glow plugs, a malfunctioning glow plug control module, wiring issues, or a software glitch.

3. How can I diagnose the issue related to OBDII code P1337 Cadillac?

- To diagnose the issue, you can use an OBDII scanner to read the specific fault code, visually inspect the glow plug system for any visible damage, and perform electrical tests on the glow plugs and control module.

4. What are the repair options for OBDII code P1337 Cadillac?

- Repair options may include replacing faulty glow plugs, repairing or replacing the glow plug control module, fixing any damaged wiring, and performing a software update or reset to ensure the glow plug offset is learned correctly.

5. Can I drive my Cadillac with OBDII code P1337?

- It is not recommended to drive your Cadillac with the OBDII code P1337 present, as it can lead to engine performance issues and potential damage if the glow plug system is not functioning properly.

6. How much does it cost to repair OBDII code P1337 Cadillac?

- The cost of repairing OBDII code P1337 Cadillac can vary depending on the specific cause of the issue, but it may range from $200 to $600 or more, including parts and labor.

7. Is OBDII code P1337 Cadillac a serious issue?

- While OBDII code P1337 Cadillac is not an emergency situation, it should be addressed promptly to prevent further damage to the engine and ensure optimal performance of the glow plug system.

8. Can I reset OBDII code P1337 Cadillac myself?

- You can attempt to reset the code yourself using an OBDII scanner, but it is important to diagnose and repair the underlying issue causing the code to prevent it from reoccurring.

9. How long does it take to repair OBDII code P1337 Cadillac?

- The repair time for OBDII code P1337 Cadillac can vary depending on the complexity of the issue and the availability of parts, but it may take a few hours to a full day to complete the repair.

10. Will OBDII code P1337 Cadillac cause damage if left untreated?

- Ignoring OBDII code P1337 Cadillac can potentially cause damage to the engine over time, as the glow plug system plays a crucial role in the combustion process, especially during cold starts.