AutoCodes – Cadillac – P133E Cadillac

P133E Cadillac 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 Cadillac 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 379

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 Cadillac 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 Cadillac - Cylinder 7 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133E Cadillac Code - Cylinder 7 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133E Cadillac?

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 Cadillac?

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 Cadillac 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.

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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 Cadillac Code

1. What are the common symptoms of OBDII code P133E in a Cadillac related to Cylinder 7 Glow Plug Offset Exceeded Learning Limit?

The common symptoms include rough idling, reduced engine performance, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P133E in a Cadillac?

Possible causes include a faulty glow plug, issues with the glow plug control module, wiring issues, or a problem with the engine control module (ECM).

3. How serious is OBDII code P133E in a Cadillac?

While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential engine damage and ensure optimal performance.

4. Can I continue driving my Cadillac with OBDII code P133E present?

It is not recommended to drive the vehicle extensively with this code present, as it can lead to decreased engine efficiency and potential long-term damage.

5. How can I diagnose OBDII code P133E in a Cadillac?

Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the glow plug and related components, and inspecting the wiring for any issues.

6. What are some repair tips for addressing OBDII code P133E in a Cadillac?

Repair tips may include replacing the faulty glow plug, checking the glow plug control module, ensuring proper wiring connections, and resetting the ECM.

7. Can I reset the Check Engine Light after fixing OBDII code P133E in a Cadillac?

Yes, after addressing the underlying issue causing the code, you can reset the Check Engine Light using an OBDII scanner to clear the code.

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

The cost of repair can vary depending on the specific issue causing the code, the parts needed, and whether you choose to do the repairs yourself or take it to a mechanic.

9. Is it possible to prevent OBDII code P133E from coming back in a Cadillac?

Regular maintenance, such as checking and replacing glow plugs as needed, can help prevent the recurrence of this code in your Cadillac.

10. Is it necessary to take my Cadillac to a dealership for repairs related to OBDII code P133E?

While a dealership may have specialized knowledge, any qualified mechanic should be able to diagnose and repair the issue related to this OBDII code in your Cadillac.