AutoCodes – Cadillac – P1E23 Cadillac

P1E23 Cadillac 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 Cadillac 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 957
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 23, 2020
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Code P1E23 Cadillac 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 Cadillac - Auxiliary Transmission Fluid Pump Control Module Random Access Memory - AutoCodes.com
P1E23 Cadillac Code - Auxiliary Transmission Fluid Pump Control Module Random Access Memory

What are the Possible Causes of the DTC P1E23 Cadillac?

  • 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 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1E23 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.

Need more information about the P1E23 Cadillac code?

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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 P1E23 Cadillac Code

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

- Common symptoms include transmission shifting issues, decreased fuel efficiency, and the illumination of the check engine light.

2. What are possible causes of OBDII code P1E23 in a Cadillac?

- The code P1E23 in a Cadillac may be triggered by a faulty auxiliary transmission fluid pump control module, issues with the transmission fluid pump itself, or electrical problems within the system.

3. How can I diagnose OBDII code P1E23 in my Cadillac?

- Diagnosing OBDII code P1E23 typically involves using a scan tool to retrieve the code, checking the transmission fluid level and condition, and inspecting the auxiliary transmission fluid pump control module for any visible signs of damage.

4. Is it safe to continue driving my Cadillac with OBDII code P1E23 present?

- It is not recommended to continue driving your Cadillac with OBDII code P1E23 present, as it can lead to further damage to the transmission system and potentially result in costly repairs.

5. How can I repair OBDII code P1E23 in my Cadillac?

- Repairing OBDII code P1E23 in a Cadillac typically involves replacing the faulty auxiliary transmission fluid pump control module or addressing any issues with the transmission fluid pump itself. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Can a DIY enthusiast fix OBDII code P1E23 in a Cadillac?

- While some DIY enthusiasts may have the skills to address OBDII code P1E23 in a Cadillac, it is recommended to seek assistance from a qualified mechanic due to the complexity of the transmission system and the importance of proper diagnosis and repair.

7. How much does it cost to repair OBDII code P1E23 in a Cadillac?

- The cost to repair OBDII code P1E23 in a Cadillac can vary depending on the specific cause of the issue, the extent of the damage, and the labor rates in your area. It is advisable to obtain quotes from different repair shops for an accurate estimate.

8. Are there any preventive measures to avoid OBDII code P1E23 in a Cadillac?

- To help prevent OBDII code P1E23 in a Cadillac, it is important to maintain regular transmission fluid changes, address any transmission issues promptly, and have the vehicle regularly inspected by a professional mechanic.

9. Can OBDII code P1E23 in a Cadillac be intermittent?

- Yes, OBDII code P1E23 in a Cadillac can sometimes be intermittent, depending on the underlying cause. It is important to address the issue promptly to prevent further damage to the transmission system.

10. How long does it take to repair OBDII code P1E23 in a Cadillac?

- The time required to repair OBDII code P1E23 in a Cadillac can vary depending on the specific cause of the issue, the availability of parts, and the workload of the repair shop. It is advisable to consult with the mechanic to get an estimate of the repair timeline.

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