AutoCodes – Cadillac – P133D Cadillac

P133D Cadillac Code - Cylinder 6 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 6, Glow Plug 6 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: P133D Cadillac indicates Cylinder 6 Glow Plug Offset Exceeded Learning Limit.
Common causes: Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 6, Glow Plug 6 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 561

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 P133D 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 P133D Cadillac - Cylinder 6 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133D Cadillac Code - Cylinder 6 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133D Cadillac?

Perform Glow Plug Learn procedure
Faulty Glow Plug 6
Glow Plug 6 harness is open or shorted
Glow Plug 6 circuit poor electrical connection

How to Fix the DTC P133D 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 P133D 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 P133D Cadillac Code

1. What are the common symptoms of OBDII code P133D in a Cadillac related to Cylinder 6 Glow Plug Offset Exceeded Learning Limit?

- Common symptoms include rough idling, decreased engine performance, and the illumination of the Check Engine Light.

2. What can cause the OBDII code P133D in a Cadillac indicating Cylinder 6 Glow Plug Offset Exceeded Learning Limit?

- The code P133D can be triggered by issues such as a faulty glow plug in cylinder 6, wiring issues, or problems with the glow plug control module.

3. How serious is the OBDII code P133D related to Cylinder 6 Glow Plug Offset Exceeded Learning Limit in a Cadillac?

- While the code may not cause immediate drivability issues, it should be addressed promptly to prevent further damage to the engine or emission system.

4. How can I diagnose the OBDII code P133D in a Cadillac for Cylinder 6 Glow Plug Offset Exceeded Learning Limit?

- Diagnosis typically involves using an OBDII scanner to read the code, followed by thorough inspection of the glow plug, wiring, and related components in cylinder 6.

5. Can I continue driving my Cadillac with the OBDII code P133D indicating Cylinder 6 Glow Plug Offset Exceeded Learning Limit?

- It is not recommended to drive the vehicle extensively with this code present, as it can lead to reduced engine performance and potential engine damage if left unresolved.

6. What are some repair tips for addressing the OBDII code P133D in a Cadillac for Cylinder 6 Glow Plug Offset Exceeded Learning Limit?

- Repair tips may include replacing the faulty glow plug in cylinder 6, checking and repairing any damaged wiring, and resetting the code after repairs are completed.

7. Is it possible to reset the OBDII code P133D related to Cylinder 6 Glow Plug Offset Exceeded Learning Limit in a Cadillac without fixing the underlying issue?

- While it is possible to clear the code temporarily, it will likely reappear if the root cause, such as a faulty glow plug, is not addressed.

8. How much does it typically cost to repair the OBDII code P133D in a Cadillac for Cylinder 6 Glow Plug Offset Exceeded Learning Limit?

- Repair costs can vary depending on the extent of the issue and labor rates, but it may involve a few hundred dollars for parts and labor.

9. Can the OBDII code P133D related to Cylinder 6 Glow Plug Offset Exceeded Learning Limit impact fuel efficiency in a Cadillac?

- Yes, if the issue causing the code affects engine performance, it can lead to decreased fuel efficiency in the vehicle.

10. Are there any preventative measures to avoid triggering the OBDII code P133D for Cylinder 6 Glow Plug Offset Exceeded Learning Limit in a Cadillac?

- Regular maintenance, such as checking and replacing glow plugs at recommended intervals, can help prevent issues that may lead to this code being triggered.