AutoCodes – Chevrolet – P133D Chevrolet

P133D Chevrolet Code - Cylinder 6 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 6, Glow Plug 6 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: P133D Chevrolet indicates Cylinder 6 Glow Plug Offset Exceeded Learning Limit.
Common causes: Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 6, Glow Plug 6 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 10,278

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 Sep 30, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P133D 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. The DTC will be set if the glow plug hot resistance is outside a predefined threshold.

OBDII Code P133D Chevrolet - Cylinder 6 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133D Chevrolet Code - Cylinder 6 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133D Chevrolet?

Perform Glow Plug Learn procedure
Faulty Glow Plug 6
Glow Plug 6 harness is open or shorted
Glow Plug 6 circuit poor electrical connection

How to Fix the DTC P133D 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 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 P133D 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 P133D Chevrolet code?

Need more information on how to fix the P133D Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P133D Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

P133D 2014 Chevrolet Silverado — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
P133D 2015 Chevrolet Silverado — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
P133D 2016 Chevrolet Silverado — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
P133D 2017 Chevrolet Silverado — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
P133D 2018 Chevrolet Silverado — Cylinder 6 Glow Plug Offset Exceeded Learning Limit

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 P133D Chevrolet Code

1. What are the common symptoms of OBDII code P133D in a Chevrolet vehicle?

- Common symptoms include rough idling, reduced engine performance, increased fuel consumption, and potential misfires.

2. What does the OBDII code P133D in a Chevrolet indicate?

- The code P133D indicates that the engine control module has detected that the offset for the glow plug on cylinder 6 has exceeded the learning limit.

3. What are the possible causes of OBDII code P133D in a Chevrolet?

- Possible causes include a faulty glow plug on cylinder 6, issues with the glow plug control module, wiring or connection problems, or a malfunctioning engine control module.

4. How can I diagnose the OBDII code P133D in my Chevrolet?

- Diagnostic steps may include visually inspecting the glow plug on cylinder 6, checking the wiring and connections, testing the glow plug control module, and using a scan tool to monitor system parameters.

5. Can I continue driving my Chevrolet with OBDII code P133D present?

- It is not recommended to continue driving with the code present, as it can lead to engine performance issues and potential damage if left unresolved.

6. How can I repair OBDII code P133D in my Chevrolet?

- Repair typically involves replacing the faulty glow plug on cylinder 6, addressing any wiring or connection issues, and resetting the engine control module.

7. Is it necessary to reset the engine control module after repairing OBDII code P133D?

- Yes, it is important to reset the engine control module after repairing the issue to clear the code and allow the system to relearn parameters.

8. Can a DIY enthusiast fix OBDII code P133D in a Chevrolet?

- While some may be able to diagnose and replace the glow plug themselves, it is recommended to consult a professional mechanic for proper diagnosis and repair of this code.

9. Are there any preventive measures to avoid OBDII code P133D in a Chevrolet?

- Regular maintenance, including checking the glow plugs and related components, can help prevent issues that may trigger the P133D trouble code.

10. How long does it take to repair OBDII code P133D in a Chevrolet?

- The repair time can vary depending on the exact cause of the code and the extent of the repairs needed. It is advisable to consult a mechanic for a more accurate estimate.