AutoCodes – Chevrolet – P133C 2016 Chevrolet Silverado

P133C 2016 Chevrolet Silverado Code - Cylinder 5 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 5, Glow Plug 5 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: P133C 2016 Chevrolet Silverado indicates Cylinder 5 Glow Plug Offset Exceeded Learning Limit.
Common causes: Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 5, Glow Plug 5 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 175

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 P133C 2016 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 P133C 2016 Chevrolet Silverado - Cylinder 5 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133C 2016 Chevrolet Silverado Code - Cylinder 5 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133C 2016 Chevrolet Silverado?

Perform Glow Plug Learn procedure
Faulty Glow Plug 5
Glow Plug 5 harness is open or shorted
Glow Plug 5 circuit poor electrical connection

How to Fix the DTC P133C 2016 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 P133C 2016 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 P133C 2016 Chevrolet Silverado 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 P133C 2016 Chevrolet Silverado Code

What does OBDII code P133C mean for a 2016 Chevrolet Silverado?

1. P133C indicates that the glow plug offset for cylinder 5 has exceeded the predefined learning limit, suggesting an issue with the glow plug or related components. 2.

What are the common symptoms of code P133C?

Symptoms may include difficulty starting the engine in cold weather, poor fuel combustion, reduced engine performance, or the check engine light being illuminated. 3.

What causes code P133C to appear?

The code is typically caused by a faulty glow plug in cylinder 5, poor electrical connections, damaged wiring, or an issue with the glow plug control module. 4.

Can I drive my 2016 Chevrolet Silverado with code P133C?

While the vehicle may still be drivable, it may experience starting issues and reduced performance, especially in cold weather. Prompt diagnosis and repair are recommended. 5.

How do you diagnose the P133C code?

A technician will inspect the glow plug in cylinder 5, test the electrical connections and wiring, and check the functionality of the glow plug control module using diagnostic tools. 6.

How do you fix code P133C on a 2016 Chevrolet Silverado?

Repairs may involve replacing the faulty cylinder 5 glow plug, repairing damaged wiring, cleaning electrical connectors, or replacing the glow plug control module if necessary. 7.

How much does it cost to repair the P133C code?

Repair costs can vary but typically range from $100 to $300, depending on whether the issue is a faulty glow plug or additional components like wiring or the control module. 8.

What happens if I ignore code P133C?

Ignoring this code may lead to more severe engine performance issues, starting problems, and potential damage to other components due to improper combustion. 9.

Can a faulty glow plug in cylinder 5 cause engine misfires?

Yes, a faulty glow plug can cause incomplete combustion, leading to engine misfires, especially during cold starts. 10.

Should I replace all glow plugs if one fails?

While not always necessary, replacing all glow plugs at the same time is often recommended as they tend to wear out at a similar rate, ensuring consistent performance.