P1E19 2015 GMC Sierra Code - Auxiliary Transmission Fluid Pump Control Module System Voltage Low
Quick Answer
The P1E19 diagnostic trouble code for a 2015 GMC Sierra indicates an issue with the Auxiliary Transmission Fluid Pump Control Module System Voltage being low. Common causes include Faulty auxiliary transmission fluid pump control module, Damaged wiring or connectors in the control module circuit, Low battery voltage or electrical system issues. 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 2015 GMC Sierra indicates Auxiliary Transmission Fluid Pump Control Module System Voltage Low.
- Common causes
- Common causes include Faulty auxiliary transmission fluid pump control module, Damaged wiring or connectors in the control module circuit, Low battery voltage or electrical system issues.
- 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.
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Code P1E19 2015 GMC Sierra Description
The P1E19 diagnostic trouble code for a 2015 GMC Sierra indicates an issue with the Auxiliary Transmission Fluid Pump Control Module System Voltage being low. This system is crucial for maintaining proper transmission fluid pressure and ensuring smooth gear shifts. When the control module detects that the system voltage is below the specified threshold, it can lead to various performance issues and potentially cause long-term damage if not addressed promptly.
Common Causes of P1E19 2015 GMC Sierra
- Faulty auxiliary transmission fluid pump control module
- Damaged wiring or connectors in the control module circuit
- Low battery voltage or electrical system issues
- Malfunctioning transmission fluid pump
- Issues with the transmission fluid pressure sensor
Symptoms of P1E19 2015 GMC Sierra
- Erratic shifting or hesitation when changing gears
- Slipping gears or difficulty maintaining speed
- Transmission overheating
- Illumination of the check engine light
- Reduced fuel efficiency
How to Fix P1E19 2015 GMC Sierra
- Perform a comprehensive diagnostic scan to retrieve the exact fault codes and pinpoint the issue.
- Inspect the wiring harness and connectors for any signs of damage or corrosion.
- Test the auxiliary transmission fluid pump control module for proper functionality and voltage output.
- Check the transmission fluid pump for any obstructions or malfunctions.
- Replace any faulty components, such as the control module, wiring harness, or transmission fluid pump as necessary.
Cost to Fix P1E19 2015 GMC Sierra
The typical repair costs for addressing a P1E19 code on a 2015 GMC Sierra can range from $200 to $600, depending on the specific cause of the issue and the parts needed for repair. This estimate includes the cost of parts and labor, but actual prices may vary based on the location, dealership rates, and the extent of the repairs required. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the individual circumstances of the vehicle.
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Frequently Asked Questions about P1E19 2015 GMC Sierra Code
What does the OBDII code P1E19 mean on a 2015 GMC Sierra?
Code P1E19 indicates a "Auxiliary Transmission Fluid Pump Control Module System Voltage Low," meaning the control module for the auxiliary pump is detecting insufficient voltage.
What are the common symptoms of code P1E19 on a 2015 GMC Sierra?
Symptoms may include the check engine light illuminating, reduced transmission performance, difficulty shifting gears, or overheating transmission fluid.
What causes code P1E19 to appear?
The most common causes include a weak or failing battery, damaged wiring or connectors, a faulty auxiliary transmission fluid pump, or a malfunctioning control module.
Can a bad battery cause code P1E19?
Yes, a weak or failing battery can cause low voltage in the auxiliary transmission fluid pump control module, triggering the P1E19 code.
How do you diagnose code P1E19 on a 2015 GMC Sierra?
Diagnosis involves checking the battery voltage, inspecting the wiring and connectors for damage, testing the auxiliary transmission fluid pump, and scanning for related codes to rule out other issues.
Is it safe to drive with code P1E19 on a 2015 GMC Sierra?
It is not recommended to drive for extended periods, as this code can indicate improper transmission fluid flow, potentially leading to overheating or damage to the transmission.
How can you fix code P1E19 on a GMC Sierra?
Repairs may include replacing a faulty auxiliary transmission fluid pump, repairing damaged wiring or connectors, replacing the battery, or reprogramming or replacing the control module.
What tools are needed to troubleshoot code P1E19?
You’ll need a multimeter to check voltage, a good scan tool to read live data and clear codes, and potentially wiring diagrams for the GMC Sierra to trace circuits.
How much does it cost to repair code P1E19 on a 2015 GMC Sierra?
Repair costs can vary, ranging from $100 for minor wiring repairs to $1,000 or more if the auxiliary pump or control module needs replacement.
Can low transmission fluid cause code P1E19?
No, this code specifically relates to electrical or voltage issues in the auxiliary transmission fluid pump system, not the fluid level itself.
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