P1E22 GMC Code - Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost
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 Program Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted. 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
- P1E22 GMC indicates Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost.
- Common causes
- Common causes include Program Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted.
- 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 P1E22 GMC Description
What are the Possible Causes of the DTC P1E22 GMC?
- Program Power Inverter Module
- Faulty Power Inverter Module
- Power Inverter Module harness is open or shorted
- Power Inverter Module circuit poor electrical connection
How to Fix the DTC P1E22 GMC?
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 P1E22 GMC 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 P1E22 GMC Code
1. What are the common symptoms of OBDII code P1E22 in a GMC vehicle?
- Common symptoms include the illumination of the check engine light, reduced hybrid/EV battery performance, and potential issues with the transmission fluid pump control module.
2. What could cause the OBDII code P1E22 related to the Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost in a GMC vehicle?
- Possible causes may include a malfunctioning auxiliary transmission fluid pump control module, issues with the hybrid/EV battery voltage system isolation, wiring faults, or a faulty battery.
3. How can I diagnose the OBDII code P1E22 in my GMC vehicle?
- Diagnosis typically involves using an OBDII scanner to retrieve the code, performing a visual inspection of relevant components, checking wiring connections, and testing the hybrid/EV battery voltage system.
4. Is it safe to continue driving with the OBDII code P1E22 present in my GMC vehicle?
- It is not recommended to drive with this code unresolved, as it can lead to further damage to the transmission system or the hybrid/EV battery. It's best to address the issue promptly.
5. What repair steps can I take to fix the OBDII code P1E22 in my GMC vehicle?
- Repair steps may include replacing the auxiliary transmission fluid pump control module, addressing any wiring issues, testing and potentially replacing the hybrid/EV battery, and resetting the trouble code.
6. Can I reset the OBDII code P1E22 in my GMC vehicle using an OBDII scanner?
- Yes, you can use an OBDII scanner to clear the trouble code after addressing the underlying issue. However, it's important to ensure that the root cause of the code has been resolved to prevent it from reoccurring.
7. Are there any specific maintenance tips to prevent the OBDII code P1E22 from appearing in my GMC vehicle?
- Regularly inspecting and maintaining the auxiliary transmission fluid pump control module, hybrid/EV battery system, and related wiring can help prevent issues that may trigger the P1E22 trouble code.
8. How much does it typically cost to repair the OBDII code P1E22 in a GMC vehicle?
- The cost of repair can vary depending on the specific cause of the code, parts needed for replacement, labor rates, and whether the vehicle is under warranty. It's advisable to consult with a qualified mechanic for an accurate estimate.
9. Can the OBDII code P1E22 be a recurring issue in GMC vehicles?
- Yes, if the root cause of the code is not properly addressed or if related components continue to malfunction, the P1E22 trouble code can reappear. Regular maintenance and prompt repairs can help prevent recurrence.
10. Is it necessary to take my GMC vehicle to a dealership for repairs related to the OBDII code P1E22?
- While a dealership may have specialized knowledge and access to OEM parts, independent auto repair shops with experience in hybrid/EV systems may also be able to effectively diagnose and repair the issue related to code P1E22.
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