AutoCodes – Chevrolet – P133C 2014 Chevrolet Silverado

P133C 2014 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 2014 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 244

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 P133C 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 P133C 2014 Chevrolet Silverado - Cylinder 5 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133C 2014 Chevrolet Silverado Code - Cylinder 5 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133C 2014 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 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 P133C 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 P133C 2014 Chevrolet Silverado code?

Need more information on how to fix the P133C 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P133C 2014 Chevrolet Silverado 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 P133C 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P133C in a 2014 Chevrolet Silverado?

- The common symptoms include rough idling, decreased engine performance, and possible illumination of the check engine light.

2. What does the OBDII code P133C indicate in a 2014 Chevrolet Silverado?

- The code P133C indicates that the ECM has detected that the offset for the glow plug on cylinder 5 has exceeded the learning limit.

3. What are the possible causes of OBDII code P133C in a 2014 Chevrolet Silverado?

- Possible causes include a faulty glow plug, wiring issues in the glow plug circuit, ECM software glitches, or a malfunctioning ECM.

4. How can I diagnose the OBDII code P133C in my 2014 Chevrolet Silverado?

- Diagnosing P133C requires a thorough inspection of the glow plug on cylinder 5, checking the wiring for any damage, and performing ECM diagnostics with a scan tool.

5. Can I still drive my 2014 Chevrolet Silverado with OBDII code P133C?

- It is not recommended to drive the vehicle with code P133C as it can lead to further damage to the engine components. It is advisable to address the issue promptly.

6. How can I repair OBDII code P133C in my 2014 Chevrolet Silverado?

- The repair process may involve replacing the faulty glow plug, repairing any damaged wiring, updating the ECM software, or replacing the ECM if necessary.

7. Are there any tips to prevent OBDII code P133C from occurring in my 2014 Chevrolet Silverado?

- Regular maintenance of the glow plugs and the glow plug circuit, as well as following the manufacturer's recommended service intervals, can help prevent code P133C.

8. Is it safe to reset the check engine light after fixing OBDII code P133C in my 2014 Chevrolet Silverado?

- It is safe to reset the check engine light after fixing the issue. However, it is advisable to ensure that the problem has been properly addressed to prevent the code from reoccurring.

9. How much does it cost to repair OBDII code P133C in a 2014 Chevrolet Silverado?

- The cost of repairing code P133C can vary depending on the exact cause of the issue, the parts needed for replacement, and labor costs. It is recommended to consult a professional for an accurate estimate.

10. Can a DIY enthusiast fix OBDII code P133C in a 2014 Chevrolet Silverado?

- While some aspects of diagnosing and repairing code P133C can be tackled by experienced DIY enthusiasts, it is recommended to seek professional assistance due to the complexity of the repair process and the importance of proper diagnostics.