P1EA1
Hybrid/EV Battery Interface Control Module 4 Random Access Memory Performance
P1EA1 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 4 Random Access Memory Performance. Common causes: battery management module malfunction, module power problems. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- The car goes into emergency mode
- Unstable operation of the battery management system
- Reduced power or strange transmission behavior
Causes
- Battery management module malfunction
- Module power problems
- Corroded or damaged contacts
- Software errors in the module
- Problems with the wiring harness to the module
How to Fix
- Check connections and power supply of the module
- Scan module for errors
- Update module software
- If necessary, replace the control module
- Check the integrity of the wiring harness
Related codes
FAQ
What does the P1EA1 code mean?
P1EA1 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 4 Random Access Memory Performance
What causes a P1EA1 error code?
The most common causes of P1EA1 include: Battery management module malfunction; Module power problems; Corroded or damaged contacts; Software errors in the module.
How do I fix a P1EA1 diagnostic trouble code?
To fix P1EA1: Check connections and power supply of the module. Scan module for errors. Update module software. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1EA1?
Limited driving only, diagnose soon
How much does it cost to fix P1EA1?
The estimated repair cost for P1EA1 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat