P1E22 Chevrolet Code - Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost
Quick Answer
The P1E22 Chevrolet code indicates a problem with the Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation. Common causes include Faulty auxiliary transmission fluid pump control module, Wiring issues between the battery voltage system and the control module, Hybrid/EV battery voltage system malfunction. 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 Chevrolet indicates Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost.
- Common causes
- Common causes include Faulty auxiliary transmission fluid pump control module, Wiring issues between the battery voltage system and the control module, Hybrid/EV battery voltage system malfunction.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1E22 Chevrolet Description
The P1E22 Chevrolet code indicates a problem with the Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation. This means that there is a loss of isolation between the hybrid/EV battery voltage system and the auxiliary transmission fluid pump control module. This issue can have significant implications for the vehicle's performance and overall operation.
Common Causes of P1E22 Chevrolet
- Faulty auxiliary transmission fluid pump control module
- Wiring issues between the battery voltage system and the control module
- Hybrid/EV battery voltage system malfunction
- Corrosion or damage to electrical connectors
- Software issues related to the control module
Symptoms of P1E22 Chevrolet
- Harsh shifting or jerking when driving
- Transmission slipping or hesitation
- Illumination of the check engine light
- Decreased fuel efficiency
- Complete transmission failure
How to Fix P1E22 Chevrolet
- Diagnose the specific cause of the issue using a diagnostic scanner and multimeter.
- Inspect the wiring between the battery voltage system and the control module for any damage or corrosion.
- Test the auxiliary transmission fluid pump control module and replace it if necessary.
- Check the hybrid/EV battery voltage system for any faults and address them accordingly.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1E22 Chevrolet
The typical repair costs for addressing the P1E22 Chevrolet code can vary depending on the specific cause of the issue. In general, you can expect to pay anywhere from $200 to $800 for parts and labor. It's important to note that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. Additionally, diagnostic time and labor rates can also impact the final cost, with rates typically ranging between $80 and $150 per hour. For a more accurate estimate, it's recommended to consult with a local auto repair shop.
Tech Notes for P1E22 Chevrolet
The following DTCs may be set:
- P1AEE – Drive Motor 1 Control Module Hybrid/EV Battery System Voltage High Voltage
- P1AEF– Drive Motor 2 Control Module Hybrid/EV Battery System Voltage High Voltage
- P1AF0 – Drive Motor 1 Control Module Hybrid/EV Battery Voltage System Isolation Lost
- P1AF2 – Drive Motor 2 Control Module Hybrid/EV Battery Voltage System Isolation Lost
- P1E22 – Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost
If only two or three of these DTCs are set, follow the appropriate Service Information diagnostic procedures. The cause may not be any internal components of the transmission.
If all five DTCs are set, there is an internal fault with the transmission and the transmission requires replacement. Do not attempt any internal repairs.
Need more information about the P1E22 Chevrolet code?
Need more information on how to fix the P1E22 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1E22 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1E22 Chevrolet Code
1. What are the common symptoms of OBDII code P1E22 in a Chevrolet vehicle?
- Common symptoms include loss of power, decreased fuel efficiency, transmission shifting issues, and the illumination of the Check Engine Light.
2. What can cause the Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost code in a Chevrolet?
- The code P1E22 can be triggered by issues such as a faulty auxiliary transmission fluid pump control module, a problem with the hybrid/EV battery voltage system, or wiring/connectivity issues.
3. How serious is OBDII code P1E22 in a Chevrolet?
- This code should be addressed promptly as it can affect the performance and drivability of the vehicle, especially in hybrid or electric models.
4. Can I continue driving my Chevrolet with the P1E22 code present?
- It is not recommended to drive the vehicle with this code active, as it can lead to further damage and potential safety hazards.
5. How do I diagnose the cause of the P1E22 code in my Chevrolet?
- Diagnosing the issue typically requires a professional OBDII scanner to read the code and further testing to pinpoint the exact cause, which may involve checking the auxiliary transmission fluid pump control module and battery voltage system.
6. What are some repair tips for addressing the P1E22 code in a Chevrolet?
- Repair tips may include checking and repairing any damaged wiring, replacing the auxiliary transmission fluid pump control module if necessary, and ensuring proper functioning of the hybrid/EV battery voltage system.
7. Can I reset the P1E22 code in my Chevrolet using an OBDII scanner?
- Yes, you can use an OBDII scanner to clear the code, but it is important to address the underlying issue causing the code to prevent it from reoccurring.
8. Is it expensive to repair the P1E22 code in a Chevrolet?
- The cost of repairs can vary depending on the exact cause of the code and the labor rates of the repair shop. It is recommended to get a diagnosis and estimate from a qualified mechanic.
9. Will the P1E22 code cause my Chevrolet to fail emissions testing?
- Yes, having an active OBDII code like P1E22 can cause your vehicle to fail emissions testing, so it is important to address the issue before undergoing testing.
10. How can I prevent the P1E22 code from appearing in my Chevrolet in the future?
- Regular maintenance, such as checking the transmission system and battery components, can help prevent issues that may trigger the P1E22 code.
Discuss the causes and fixes for P1E22 Chevrolet OBDII Code
Code P1E22 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.