Engine-CodesGeneric – P1E19

P1E19 Code - Auxiliary Transmission Fluid Pump Control Module System Voltage Low

Quick Answer

The P1E19 diagnostic trouble code refers to the Auxiliary Transmission Fluid Pump Control Module System Voltage Low. Common causes include Faulty auxiliary transmission fluid pump control module, Loose or corroded wiring connections, Blown fuse related to the auxiliary transmission fluid pump. 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
P1E19 indicates Auxiliary Transmission Fluid Pump Control Module System Voltage Low.
Common causes
Common causes include Faulty auxiliary transmission fluid pump control module, Loose or corroded wiring connections, Blown fuse related to the auxiliary transmission fluid pump.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P1E19 Description

The P1E19 diagnostic trouble code refers to the Auxiliary Transmission Fluid Pump Control Module System Voltage Low. This code indicates that there is a problem with the voltage levels in the control module responsible for the auxiliary transmission fluid pump. The auxiliary transmission fluid pump is essential for ensuring proper lubrication and cooling of the transmission system. When the voltage levels are low, it can lead to inefficient operation of the pump, potentially causing issues with transmission performance and overall vehicle function.

OBDII Code P1E19 - Auxiliary Transmission Fluid Pump Control Module System Voltage Low
P1E19 Code - Auxiliary Transmission Fluid Pump Control Module System Voltage Low

Common Causes of P1E19

  1. Faulty auxiliary transmission fluid pump control module.
  2. Loose or corroded wiring connections.
  3. Blown fuse related to the auxiliary transmission fluid pump.
  4. Malfunctioning auxiliary transmission fluid pump.
  5. Electrical issues within the transmission system.

Symptoms of P1E19

  1. Illumination of the check engine light on the dashboard.
  2. Transmission slipping or delayed engagement.
  3. Harsh shifting or erratic transmission behavior.
  4. Overheating of the transmission system.
  5. Reduced fuel efficiency due to increased friction in the transmission.

How to Fix P1E19

  1. Begin by performing a comprehensive diagnostic scan to identify the specific cause of the P1E19 code.
  2. Inspect the wiring connections and fuse related to the auxiliary transmission fluid pump for any signs of damage or corrosion. Replace any faulty components as needed.
  3. Test the auxiliary transmission fluid pump to ensure it is functioning correctly. Replace the pump if it is found to be malfunctioning.
  4. Verify that the control module for the auxiliary transmission fluid pump is operating within the specified voltage range. Replace the control module if necessary.
  5. Clear the diagnostic trouble codes, reset the vehicle's computer, and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P1E19

The cost of repairing a P1E19 code can vary depending on the specific cause of the issue and the required repairs. On average, the repair cost for this issue can range from $200 to $500, including parts and labor. However, it is important to note that the actual cost may be higher or lower based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repair needed. Additionally, diagnostic time and labor rates can vary between auto repair shops, ranging from $80 to $150 per hour. It is advisable to obtain quotes from multiple repair facilities to determine the most cost-effective solution for addressing the P1E19 code.

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Code P1E19 Information for Specific Makes

  • P1E19 Buick — Auxiliary Transmission Fluid Pump Control Module System Voltage Low
  • P1E19 Cadillac — Auxiliary Transmission Fluid Pump Control Module System Voltage Low
  • P1E19 Chevrolet — Auxiliary Transmission Fluid Pump Control Module System Voltage Low
  • P1E19 GMC — Auxiliary Transmission Fluid Pump Control Module System Voltage Low
  • P1E19 Saturn — Auxiliary Transmission Fluid Pump Control Module System Voltage Low
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 P1E19 Code

1. What are the common symptoms of OBDII code P1E19 (Auxiliary Transmission Fluid Pump Control Module System Voltage Low)?

- Common symptoms include rough shifting, transmission slipping, and illuminated warning lights on the dashboard.

2. What are the possible causes of OBDII code P1E19?

- The code P1E19 can be triggered by issues such as a faulty auxiliary transmission fluid pump control module, low voltage in the system, or damaged wiring.

3. How can I diagnose the cause of OBDII code P1E19?

- Diagnosis typically involves checking the voltage levels in the auxiliary transmission fluid pump control module system, inspecting the wiring for any damage, and testing the components for proper functioning.

4. Can a low vehicle battery voltage trigger code P1E19?

- Yes, a low vehicle battery voltage can potentially trigger the P1E19 code due to insufficient power reaching the auxiliary transmission fluid pump control module.

5. What are some repair tips for addressing OBDII code P1E19?

- Repair tips may include checking and replacing damaged wiring, testing and potentially replacing the auxiliary transmission fluid pump control module, and ensuring proper power supply to the system.

6. Is it safe to continue driving with OBDII code P1E19 present?

- It is not recommended to continue driving with the P1E19 code present, as it can lead to further damage to the transmission system and potentially cause unsafe driving conditions.

7. Can a DIY enthusiast fix OBDII code P1E19 at home?

- While some aspects of diagnosing and repairing the P1E19 code may be possible for DIY enthusiasts, it is recommended to consult with a professional mechanic for proper diagnosis and repair to ensure the issue is fully resolved.

8. How much does it typically cost to repair OBDII code P1E19?

- The cost of repairing the P1E19 code can vary depending on the underlying cause, parts needed for replacement, and labor costs. It is advisable to obtain quotes from different auto repair shops for an accurate estimate.

9. Will resetting the OBDII system clear the P1E19 code?

- Resetting the OBDII system may temporarily clear the P1E19 code, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again during vehicle operation.

10. Can a software update resolve OBDII code P1E19?

- In some cases, a software update from the vehicle manufacturer may address issues related to the P1E19 code, especially if it pertains to control module programming. It is advisable to consult with a qualified technician for guidance on software updates.

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