AutoCodes – Buick – P1E23 Buick

P1E23 Buick Code - Auxiliary Transmission Fluid Pump Control Module Random Access Memory

Quick Answer

This is an internal fault detection of the auxiliary transmission fluid pump control module. Common causes include Faulty Auxiliary Transmission Fluid Pump Motor Control Module, Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted, Auxiliary Transmission Fluid Pump Motor Control Module circuit poor electrical connection. 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: P1E23 Buick indicates Auxiliary Transmission Fluid Pump Control Module Random Access Memory.
Common causes: Common causes include Faulty Auxiliary Transmission Fluid Pump Motor Control Module, Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted, Auxiliary Transmission Fluid Pump Motor Control Module circuit poor electrical connection.
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 980

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 Apr 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E23 Buick Description

This is an internal fault detection of the auxiliary transmission fluid pump control module. The modules listed below are internal to the power inverter module and are not serviced separately. These faults are handled inside the hybrid powertrain control module and no external circuits are involved.

OBDII Code P1E23 Buick - Auxiliary Transmission Fluid Pump Control Module Random Access Memory - AutoCodes.com — P1E23 Buick Code - Auxiliary Transmission Fluid Pump Control Module Random Access Memory

What does this mean?

What are the Possible Causes of the DTC P1E23 Buick?

Faulty Auxiliary Transmission Fluid Pump Motor Control Module
Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted
Auxiliary Transmission Fluid Pump Motor Control Module circuit poor electrical connection

How to Fix the DTC P1E23 Buick?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1E23 Buick 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 P1E23 Buick Code

1. What are common symptoms of OBDII code P1E23 on a Buick related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

Symptoms may include rough shifting, stalling, transmission slippage, or even the vehicle going into limp mode.

2. What are possible causes of OBDII code P1E23 on a Buick indicating an issue with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

Potential causes could be a faulty auxiliary transmission fluid pump control module, wiring issues, or a malfunction in the transmission fluid pump itself.

3. How can I diagnose OBDII code P1E23 on my Buick associated with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

Proper diagnosis typically involves using a diagnostic scanner to read the code, performing a visual inspection of relevant components, and testing the auxiliary transmission fluid pump control module.

4. Can I continue driving my Buick with OBDII code P1E23 related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

It is not recommended to continue driving the vehicle with this code present, as it could lead to further damage to the transmission system.

5. What are some repair tips for fixing OBDII code P1E23 on a Buick indicating an issue with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

Repair may involve replacing the auxiliary transmission fluid pump control module, checking and repairing any damaged wiring, or addressing issues with the transmission fluid pump.

6. Is it possible to reset OBDII code P1E23 on a Buick after repairing the issue with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

Yes, once the underlying problem is fixed, the code can be cleared using a diagnostic scanner to reset the system.

7. Are there any preventative measures to avoid OBDII code P1E23 in relation to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory on a Buick?

Regular maintenance, such as checking and changing transmission fluid at recommended intervals, can help prevent issues that may trigger this code.

8. Can a DIY enthusiast repair OBDII code P1E23 on a Buick tied to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

While some repairs may be possible for experienced DIYers, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair of this issue.

9. How much does it typically cost to repair OBDII code P1E23 on a Buick involving the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

Costs can vary depending on the exact cause of the problem, but it may range from a few hundred to a few thousand dollars, including parts and labor.

10. What Buick models are commonly affected by OBDII code P1E23 related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

This code can be found in various Buick models with auxiliary transmission fluid pump control modules, such as the Buick Enclave, LaCrosse, or Regal.

1. What are the common symptoms of OBDII code P1E23 in a Buick related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- Common symptoms include transmission shifting issues, harsh gear changes, and illuminated warning lights on the dashboard.

2. What are the possible causes of OBDII code P1E23 in a Buick indicating a problem with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- The code P1E23 can be triggered by a faulty auxiliary transmission fluid pump control module, damaged wiring or connectors, or issues with the transmission fluid pump itself.

3. How can I diagnose the OBDII code P1E23 in my Buick associated with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, conducting a visual inspection of wiring and connectors, and testing the functionality of the transmission fluid pump.

4. Is it safe to continue driving my Buick with OBDII code P1E23 related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further transmission damage and potential safety hazards.

5. Can I reset the OBDII code P1E23 in my Buick indicating an issue with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- While you can clear the trouble code with a diagnostic scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.

6. What are the repair options for fixing OBDII code P1E23 in a Buick linked to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- Repair options may include replacing the faulty auxiliary transmission fluid pump control module, repairing damaged wiring or connectors, or addressing issues with the transmission fluid pump.

7. Are there any preventive maintenance tips to avoid OBDII code P1E23 in a Buick related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- Regularly servicing the transmission system, checking the fluid levels, and addressing any transmission-related issues promptly can help prevent the occurrence of this trouble code.

8. How much does it typically cost to repair OBDII code P1E23 in a Buick associated with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- Repair costs can vary depending on the exact cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a DIY enthusiast with automotive knowledge fix OBDII code P1E23 in a Buick related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- While some experienced DIYers may be able to address simpler causes of the code, it is often recommended to have a professional mechanic diagnose and repair this issue due to its complexity.

10. How long does it take to repair OBDII code P1E23 in a Buick indicating a problem with the Auxiliary Transmission Fluid Pump Control Module Random Access Memory?

- The repair time can vary based on the specific cause of the code and the extent of the repairs needed, but it may take anywhere from a few hours to a full day to complete the repair process.