AutoCodes – Chevrolet – P133E 2015 Chevrolet Silverado

P133E 2015 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 2015 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 279

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P133E 2015 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 2015 Chevrolet Silverado - Cylinder 7 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133E 2015 Chevrolet Silverado Code - Cylinder 7 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133E 2015 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 2015 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 2015 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 2015 Chevrolet Silverado code?

Need more information on how to fix the P133E 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P133E 2015 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 P133E 2015 Chevrolet Silverado Code

1. What does the OBDII code P133E mean on a 2015 Chevrolet Silverado?

P133E indicates that the Cylinder 7 glow plug offset has exceeded the learning limit, meaning the engine control module (ECM) has detected an issue with the glow plug's performance or calibration.

2. What are the common symptoms of code P133E on a 2015 Chevrolet Silverado?

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

3. What causes the P133E code to appear on a Chevrolet Silverado?

Common causes include a faulty glow plug, wiring issues like damaged or corroded connections, a malfunctioning glow plug control module, or incorrect calibration in the ECM.

4. Can I drive my 2015 Silverado with a P133E code?

While it may be possible to drive the truck, doing so could lead to poor performance, increased emissions, and potential damage to the engine, especially in cold conditions.

5. How do I diagnose the P133E code on my Silverado?

Start by scanning for codes, inspecting the glow plug and its wiring for damage, testing the glow plug's resistance with a multimeter, and checking the glow plug control module for proper function.

6. How do I fix the P133E code on a 2015 Chevrolet Silverado?

Repairs may include replacing the faulty glow plug, repairing or replacing damaged wiring, updating the ECM software, or recalibrating the glow plug offset.

7. How much does it cost to repair a P133E code on a Silverado?

Costs can vary, but replacing a single glow plug typically costs between $100 and $200, including labor. Additional repairs, such as wiring fixes or module replacements, may increase the cost.

8. Can a bad glow plug cause engine damage on my Silverado?

A single faulty glow plug is unlikely to cause immediate engine damage, but prolonged issues can lead to hard starts, increased emissions, and stress on the engine in cold weather.

9. Is the P133E code specific to Cylinder 7 on the Silverado?

Yes, the P133E code specifically refers to an issue with the glow plug operation or calibration for Cylinder 7.

10. Do I need to replace all glow plugs if one is faulty?

No, you only need to replace the faulty glow plug. However, some owners choose to replace all glow plugs if they are the same age to prevent future issues.