Engine-CodesChevrolet – P1E1A 2017 Chevrolet Silverado

P1E1A 2017 Chevrolet Silverado Code - Auxiliary Transmission Fluid Pump Control Module System Voltage High

Quick Answer

The P1E1A diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates that the Auxiliary Transmission Fluid Pump Control Module is detecting a higher than normal voltage in the system. Common causes include Faulty transmission fluid pump control module, Short circuit in the wiring harness, Malfunctioning 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
P1E1A 2017 Chevrolet Silverado indicates Auxiliary Transmission Fluid Pump Control Module System Voltage High.
Common causes
Common causes include Faulty transmission fluid pump control module, Short circuit in the wiring harness, Malfunctioning 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 11, 2024
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Code P1E1A 2017 Chevrolet Silverado Description

The P1E1A diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates that the Auxiliary Transmission Fluid Pump Control Module is detecting a higher than normal voltage in the system. The Auxiliary Transmission Fluid Pump is responsible for maintaining the proper pressure and flow of transmission fluid in certain driving conditions, such as towing heavy loads or driving uphill. When the control module detects that the system voltage is too high, it can lead to issues with the transmission's performance and overall vehicle drivability.

OBDII Code P1E1A 2017 Chevrolet Silverado - Auxiliary Transmission Fluid Pump Control Module System Voltage High
P1E1A 2017 Chevrolet Silverado Code - Auxiliary Transmission Fluid Pump Control Module System Voltage High

Common Causes of P1E1A 2017 Chevrolet Silverado

  1. Faulty transmission fluid pump control module
  2. Short circuit in the wiring harness
  3. Malfunctioning transmission fluid pump
  4. Issues with the vehicle's electrical system

Symptoms of P1E1A 2017 Chevrolet Silverado

  1. Erratic shifting
  2. Harsh engagement
  3. Slipping transmission
  4. Lack of power
  5. Reduced fuel efficiency

How to Fix P1E1A 2017 Chevrolet Silverado

  1. Diagnose the issue using a scan tool to retrieve the DTC and determine the exact cause of the high voltage in the system.
  2. Inspect the wiring harness for any signs of damage or corrosion and repair or replace as needed.
  3. Test the transmission fluid pump control module and transmission fluid pump for proper operation and replace if faulty.
  4. Clear the DTC from the vehicle's memory and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1E1A 2017 Chevrolet Silverado

The typical repair costs for addressing the P1E1A code on a 2017 Chevrolet Silverado can range from $300 to $800, depending on the specific cause of the high voltage in the system and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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 P1E1A 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1E1A in a 2017 Chevrolet Silverado?

The common symptoms include illuminated Check Engine Light, transmission shifting issues, reduced fuel efficiency, and potential vehicle stalling.

2. What causes the Auxiliary Transmission Fluid Pump Control Module System Voltage High code in a 2017 Chevrolet Silverado?

The code P1E1A is typically triggered by a malfunction in the auxiliary transmission fluid pump control module or issues with the system voltage being higher than normal.

3. How serious is the P1E1A OBDII code in a 2017 Chevrolet Silverado?

While the vehicle may still be operable with the code present, ignoring it can lead to potential transmission damage or drivability issues. It is recommended to address the problem promptly.

4. Can a DIY enthusiast repair the Auxiliary Transmission Fluid Pump Control Module System Voltage High issue in a 2017 Chevrolet Silverado?

Depending on the individual's skill level and access to tools, some DIY repairs such as checking for loose connections or damaged wiring may be possible. However, complex repairs might require professional assistance.

5. What are the steps to diagnose and repair the P1E1A code in a 2017 Chevrolet Silverado?

Diagnosis involves checking the auxiliary transmission fluid pump control module, inspecting wiring for damage, and verifying system voltage levels. Repair may involve module replacement, wiring repairs, or addressing voltage issues.

6. Is it safe to continue driving a 2017 Chevrolet Silverado with the P1E1A code active?

While the vehicle may still be drivable, it is recommended to address the issue promptly to prevent potential transmission damage or further drivability issues. Continued driving with the code can worsen the problem.

7. How much does it typically cost to repair the Auxiliary Transmission Fluid Pump Control Module System Voltage High issue in a 2017 Chevrolet Silverado?

The repair costs can vary depending on the exact cause of the problem, parts needed, and labor charges. It is advisable to consult a professional mechanic for an accurate estimate.

8. Can a faulty battery cause the P1E1A code to appear in a 2017 Chevrolet Silverado?

Yes, a faulty or failing battery can sometimes lead to voltage irregularities in the vehicle's electrical system, triggering the P1E1A code. It is recommended to ensure the battery is in good condition.

9. Will resetting the OBDII code temporarily resolve the P1E1A issue in a 2017 Chevrolet Silverado?

Resetting the code may temporarily turn off the Check Engine Light, but it will not fix the underlying problem causing the code. It is important to diagnose and address the root cause of the issue.

10. How can regular maintenance help prevent the occurrence of the P1E1A code in a 2017 Chevrolet Silverado?

Regular maintenance, including checking the vehicle's electrical system, ensuring proper battery health, and timely inspections, can help identify potential issues early and prevent the onset of codes like P1E1A.

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