P1E19 2015 GMC Sierra Code - Auxiliary Transmission Fluid Pump Control Module System Voltage Low
Quick Answer
The power inverter module, often referred to as the drive motor generator power inverter module, contains three motor control modules and the hybrid powertrain control module. Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter 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
- P1E19 2015 GMC Sierra indicates Auxiliary Transmission Fluid Pump Control Module System Voltage Low.
- Common causes
- Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter 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.
Code P1E19 2015 GMC Sierra Description
What are the Possible Causes of the DTC P1E19 2015 GMC Sierra?
- Faulty Power Inverter Module
- Power Inverter Module harness is open or shorted
- Power Inverter Module circuit poor electrical connection
How to Fix the DTC P1E19 2015 GMC Sierra?
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 P1E19 2015 GMC Sierra 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.
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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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