AutoCodes – Chevrolet – P133E 2014 Chevrolet Silverado

P133E 2014 Chevrolet Silverado Code - Cylinder 7 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 7, Glow Plug 7 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: P133E 2014 Chevrolet Silverado indicates Cylinder 7 Glow Plug Offset Exceeded Learning Limit.
Common causes: Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 7, Glow Plug 7 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 238

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 P133E 2014 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 P133E 2014 Chevrolet Silverado - Cylinder 7 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133E 2014 Chevrolet Silverado Code - Cylinder 7 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133E 2014 Chevrolet Silverado?

Perform Glow Plug Learn procedure
Faulty Glow Plug 7
Glow Plug 7 harness is open or shorted
Glow Plug 7 circuit poor electrical connection

How to Fix the DTC P133E 2014 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 P133E 2014 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 P133E 2014 Chevrolet Silverado code?

Need more information on how to fix the P133E 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the 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 P133E 2014 Chevrolet Silverado Code

1. What does the OBDII code P133E mean on a 2014 Chevrolet Silverado?

It indicates that the Cylinder 7 glow plug offset has exceeded the learning limit, meaning the ECM has detected an issue with the glow plug system's operation in that cylinder.

2. What are the common symptoms of code P133E?

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

3. What causes the P133E code to appear?

Common causes include a faulty glow plug, wiring or connector issues, excessive carbon buildup, or a malfunctioning glow plug control module.

4. Can I drive with a P133E code on my Silverado?

While the vehicle may still run, driving with this code can lead to poor engine performance and harder starts, especially in cold weather. It's best to address the issue promptly.

5. How do I diagnose the P133E code?

Diagnosis typically involves checking the glow plug and its circuit for damage, testing the glow plugâ€™s resistance, inspecting for carbon buildup, and scanning the ECM for related faults.

6. How do I fix the P133E code on my 2014 Chevrolet Silverado?

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

7. What tools are needed to troubleshoot the P133E code?

You'll need an OBDII scanner, a multimeter to test electrical resistance, and potentially tools for removing and replacing the glow plug.

8. How much does it cost to repair a P133E code?

Costs vary depending on the issue. Replacing a glow plug typically costs $50â€“$150 for the part, plus labor if done by a mechanic.

9. Can a dirty or clogged injector cause the P133E code?

While not a direct cause, a dirty injector can lead to uneven combustion, which might exacerbate glow plug issues or cause related symptoms.

10. How can I prevent the P133E code from happening again?

Regular maintenance, including inspecting the glow plug system, cleaning carbon buildup, and addressing engine issues promptly, can help prevent this code from recurring.