P1E19 2018 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 2018 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 2018 GMC Sierra Description
What are the Possible Causes of the DTC P1E19 2018 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 2018 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 2018 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.
Need more information about the P1E19 2018 GMC Sierra code?
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Frequently Asked Questions about P1E19 2018 GMC Sierra Code
1. What does OBDII code P1E19 mean on a 2018 GMC Sierra?
P1E19 indicates the Auxiliary Transmission Fluid Pump Control Module System is experiencing low voltage, which can affect transmission fluid circulation.
2. What are the common symptoms of code P1E19 in a GMC Sierra?
Symptoms may include transmission overheating, reduced performance, erratic shifting, or warning lights on the dashboard.
3. What causes code P1E19 to appear on a 2018 GMC Sierra?
Causes may include a weak battery, faulty auxiliary transmission fluid pump, damaged wiring, or a malfunctioning control module.
4. Can I drive my 2018 GMC Sierra with code P1E19 active?
It’s not recommended, as transmission fluid circulation may be compromised, potentially leading to overheating or damage.
5. How do I diagnose code P1E19 on a GMC Sierra?
Use an OBDII scanner to confirm the code, inspect the wiring and connectors for damage, check the battery voltage, and test the auxiliary transmission fluid pump.
6. Is code P1E19 related to the main transmission system?
Yes, the auxiliary transmission fluid pump supports the main transmission system by ensuring proper fluid circulation, especially at low speeds.
7. How can I fix code P1E19 on a 2018 GMC Sierra?
Repairs may include replacing damaged wiring, repairing or replacing the auxiliary transmission fluid pump, or addressing issues with the control module.
8. How much does it cost to fix code P1E19 on a GMC Sierra?
Repair costs vary depending on the issue, ranging from $100 for wiring repair to over $500 for pump or module replacement.
9. Can a low battery cause code P1E19 on a GMC Sierra?
Yes, a weak or failing battery can lead to low voltage, triggering the code.
10. Do I need a professional mechanic to fix code P1E19 on my GMC Sierra?
While some repairs, like checking wiring, can be done at home, complex issues with the pump or control module may require professional assistance.
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