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P1E19 2017 GMC Sierra Code - Auxiliary Transmission Fluid Pump Control Module System Voltage Low

Quick Answer

The P1E19 diagnostic trouble code (DTC) specifically relates to the Auxiliary Transmission Fluid Pump Control Module System Voltage being low in a 2017 GMC Sierra. Common causes include Faulty auxiliary transmission fluid pump control module, Wiring issues or corrosion, Weak or failing battery. 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 2017 GMC Sierra indicates Auxiliary Transmission Fluid Pump Control Module System Voltage Low.
Common causes
Common causes include Faulty auxiliary transmission fluid pump control module, Wiring issues or corrosion, Weak or failing battery.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 18, 2024
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Code P1E19 2017 GMC Sierra Description

The P1E19 diagnostic trouble code (DTC) specifically relates to the Auxiliary Transmission Fluid Pump Control Module System Voltage being low in a 2017 GMC Sierra. This code indicates that there is an issue with the voltage levels in the control module responsible for managing the auxiliary transmission fluid pump. The auxiliary transmission fluid pump is a crucial component in automatic transmission systems, as it helps to maintain proper fluid pressure and circulation, especially during heavy loads or towing.

OBDII Code P1E19 2017 GMC Sierra - Auxiliary Transmission Fluid Pump Control Module System Voltage Low
P1E19 2017 GMC Sierra Code - Auxiliary Transmission Fluid Pump Control Module System Voltage Low

Common Causes of P1E19 2017 GMC Sierra

  1. Faulty auxiliary transmission fluid pump control module
  2. Wiring issues or corrosion
  3. Weak or failing battery
  4. Malfunctioning alternator
  5. Electrical system issues

Symptoms of P1E19 2017 GMC Sierra

  1. Rough or delayed shifting
  2. Transmission overheating
  3. Transmission slipping
  4. Illuminated transmission warning light
  5. Reduced fuel efficiency

How to Fix P1E19 2017 GMC Sierra

  1. Begin by conducting a thorough inspection of the auxiliary transmission fluid pump control module and associated wiring to check for any visible damage or corrosion.
  2. Test the battery and alternator to ensure they are providing sufficient voltage to the control module.
  3. If necessary, replace the auxiliary transmission fluid pump control module with a new unit.
  4. Clear the DTC from the vehicle's computer system using a diagnostic scan tool.
  5. Test drive the vehicle to ensure that the transmission is operating correctly and that the code does not reappear.

Cost to Fix P1E19 2017 GMC Sierra

The typical repair costs for addressing a P1E19 code in a 2017 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing the auxiliary transmission fluid pump control module and addressing any related wiring or electrical issues could range from $200 to $600, including parts and labor. However, it is essential to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it is advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher in metropolitan areas or at dealerships, while independent shops may offer more competitive pricing.

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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 P1E19 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code P1E19 in a 2017 GMC Sierra?

- Common symptoms include the illumination of the check engine light, issues with the transmission, and potential drivability problems.

2. What can cause the OBDII code P1E19 in a 2017 GMC Sierra?

- The code P1E19 typically indicates a problem with the Auxiliary Transmission Fluid Pump Control Module System Voltage being low, which can be caused by wiring issues, a faulty control module, or a weak battery.

3. How can I diagnose the OBDII code P1E19 in my 2017 GMC Sierra?

- Diagnosing the code involves using a scan tool to retrieve the specific fault code, checking the wiring and connectors related to the auxiliary transmission fluid pump control module, and testing the module itself for proper functionality.

4. Is it safe to continue driving my 2017 GMC Sierra with the P1E19 code?

- It is not recommended to drive the vehicle with the P1E19 code present, as it can lead to transmission issues and potential damage if left unresolved.

5. Can I reset the OBDII code P1E19 in my 2017 GMC Sierra with a simple reset tool?

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

6. How much does it typically cost to repair the OBDII code P1E19 in a 2017 GMC Sierra?

- Repair costs can vary depending on the root cause of the issue, but it may involve replacing the auxiliary transmission fluid pump control module, fixing wiring problems, or addressing battery issues.

7. Are there any DIY repair tips for fixing the OBDII code P1E19 in a 2017 GMC Sierra?

- DIY repair tips may include checking and repairing any damaged wiring, ensuring the battery is in good condition, and carefully inspecting the control module for signs of damage.

8. Can a weak battery cause the OBDII code P1E19 to appear in a 2017 GMC Sierra?

- Yes, a weak or failing battery can cause voltage issues that trigger the P1E19 code related to the auxiliary transmission fluid pump control module system.

9. How long does it typically take to repair the OBDII code P1E19 in a 2017 GMC Sierra?

- The repair time can vary based on the specific cause of the code, but it may take a few hours to a day to diagnose and fix the issue.

10. Will the OBDII code P1E19 in a 2017 GMC Sierra cause permanent damage if not addressed promptly?

- Ignoring the P1E19 code can potentially lead to further transmission problems and damage if not addressed promptly, so it is recommended to address the issue as soon as possible.

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