P1E9C
Hybrid/EV Battery Interface Control Module 3 Read Only Memory Performance
P1E9C is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 3 Read Only Memory Performance. Common causes: control module firmware failure, damage to the rom chip. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Reduced power or transition to emergency mode
- Problems with charging a high-voltage battery
- Incorrect charge level display
- Reduced performance of the hybrid system
Causes
- Control module firmware failure
- Damage to the ROM chip
- Module power problems
- Corroded or damaged contacts
- Internal module faults
How to Fix
- Check error codes and freeze frame data
- Check power supply and grounding of the module
- Update or reflash module software
- Check the condition of connectors and wiring
- Replace the control module if necessary
- Repair only from an authorized dealer
Related codes
FAQ
What does the P1E9C code mean?
P1E9C is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 3 Read Only Memory Performance
What causes a P1E9C error code?
The most common causes of P1E9C include: Control module firmware failure; Damage to the ROM chip; Module power problems; Corroded or damaged contacts.
How do I fix a P1E9C diagnostic trouble code?
To fix P1E9C: Check error codes and freeze frame data. Check power supply and grounding of the module. Update or reflash module software. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E9C?
Limited driving only, diagnose soon
How much does it cost to fix P1E9C?
The estimated repair cost for P1E9C is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat