AutoCodes – Generic – P1E23

P1E23 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 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 13,917
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 23, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

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

What are the Possible Causes of the DTC P1E23?

  • 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?

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 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 code?

Need more information on how to fix the P1E23 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1E23 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P1E23 Buick β€” Auxiliary Transmission Fluid Pump Control Module Random Access Memory
  • P1E23 Cadillac β€” Auxiliary Transmission Fluid Pump Control Module Random Access Memory
  • P1E23 Chevrolet β€” Auxiliary Transmission Fluid Pump Control Module Random Access Memory
  • P1E23 GMC β€” Auxiliary Transmission Fluid Pump Control Module Random Access Memory
  • P1E23 Saturn β€” Auxiliary Transmission Fluid Pump Control Module Random Access Memory
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 Code

1. What are the common symptoms of OBDII code P1E23?

The common symptoms of OBDII code P1E23 include erratic shifting, transmission fluid leaks, and illuminated warning lights on the dashboard.

2. What can cause the OBDII code P1E23 to appear?

The OBDII code P1E23, related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory, can be triggered by a faulty transmission fluid pump control module or issues with the module's random access memory.

3. How serious is the OBDII code P1E23?

The OBDII code P1E23 should be addressed promptly as it can lead to transmission problems, affecting the vehicle's performance and potentially causing further damage if left unattended.

4. Can I continue driving with the OBDII code P1E23 present?

It is not recommended to continue driving with the OBDII code P1E23 present, as it can result in transmission issues that may worsen over time and lead to costly repairs.

5. How can I diagnose the OBDII code P1E23 at home?

Diagnosing the OBDII code P1E23 may require specialized diagnostic equipment to pinpoint the exact cause, such as a malfunctioning transmission fluid pump control module or issues with the random access memory.

6. Is it possible to repair the OBDII code P1E23 without professional help?

Repairing the OBDII code P1E23 may require expertise in automotive diagnostics and repair due to the complexity of transmission systems. It is advisable to seek professional help for accurate diagnosis and effective repairs.

7. What are the typical repair options for OBDII code P1E23?

Repair options for the OBDII code P1E23 may include replacing the transmission fluid pump control module, reprogramming the module's random access memory, or addressing any underlying issues causing the fault code.

8. How much does it cost to fix the OBDII code P1E23?

The cost of fixing the OBDII code P1E23 can vary depending on the extent of the issue, parts needed for repair, and labor costs. It is recommended to obtain estimates from reputable automotive repair shops.

9. Can a DIY enthusiast tackle the repair for OBDII code P1E23?

While some DIY enthusiasts may have the skills to address simpler automotive issues, fixing the OBDII code P1E23 related to the Auxiliary Transmission Fluid Pump Control Module Random Access Memory may require advanced knowledge and tools best suited for professional mechanics.

10. How can regular maintenance help prevent the OBDII code P1E23 from occurring?

Regular maintenance, such as checking and changing transmission fluid as recommended by the manufacturer, can help prevent issues with the transmission system, reducing the likelihood of triggering the OBDII code P1E23.

Discuss the causes and fixes for P1E23 OBDII Code

Code P1E23 comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play