AutoCodes – Cadillac – P133A Cadillac

P133A Cadillac Code - Cylinder 3 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 3, Glow Plug 3 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: P133A Cadillac indicates Cylinder 3 Glow Plug Offset Exceeded Learning Limit.
Common causes: Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 3, Glow Plug 3 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 495

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 P133A 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 P133A Cadillac - Cylinder 3 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com — P133A Cadillac Code - Cylinder 3 Glow Plug Offset Exceeded Learning Limit

What does this mean?

What are the Possible Causes of the DTC P133A Cadillac?

Perform Glow Plug Learn procedure
Faulty Glow Plug 3
Glow Plug 3 harness is open or shorted
Glow Plug 3 circuit poor electrical connection

How to Fix the DTC P133A 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 P133A 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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Need Help with the 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 P133A Cadillac Code

1. What are the common symptoms of OBDII code P133A in a Cadillac related to Cylinder 3 Glow Plug Offset Exceeded Learning Limit?

- Common symptoms include rough idling, reduced engine performance, and potentially increased fuel consumption.

2. What can cause the OBDII code P133A to trigger in a Cadillac?

- The code may be triggered by issues such as faulty glow plugs, wiring problems, or issues with the glow plug control module.

3. How serious is the Cylinder 3 Glow Plug Offset Exceeded Learning Limit fault code in a Cadillac?

- While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent potential engine damage and decreased fuel efficiency.

4. Can I continue driving my Cadillac with the P133A code present?

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

5. How can I diagnose and repair the OBDII code P133A in a Cadillac?

- Diagnosis typically involves checking the glow plugs, wiring connections, and the glow plug control module. Repair may involve replacing faulty components and resetting the code.

6. Is it possible to reset the P133A code in a Cadillac without fixing the underlying issue?

- While clearing the code may temporarily remove the warning light, it is crucial to address the root cause of the problem to prevent it from reoccurring.

7. Are there any DIY tips for troubleshooting the Cylinder 3 Glow Plug Offset Exceeded Learning Limit fault in a Cadillac?

- DIY tips may include visually inspecting the glow plugs and their wiring for any signs of damage, as well as checking the glow plug control module for faults.

8. How much does it typically cost to repair the P133A code in a Cadillac?

- Repair costs can vary depending on the exact cause of the issue and the labor rates in your area. It is advisable to consult with a mechanic for an accurate estimate.

9. Can the OBDII code P133A be a recurring issue in a Cadillac?

- If the underlying cause of the code is not properly addressed, it is possible for the P133A code to recur, leading to ongoing engine performance issues.

10. Does the OBDII code P133A affect the overall drivability of a Cadillac?

- Yes, the P133A code can impact the drivability of the vehicle by causing rough idling, reduced performance, and potential fuel efficiency issues.