P1FAA
Hybrid/EV Battery Interface Control Module 9 Not Programmed
P1FAA is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 9 Not Programmed. Common causes: control module not programmed, need for firmware update. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- Hybrid system power reduction
- Limiting the operation of the electric motor
- Error message on display
- Battery charging problems
Causes
- Control module not programmed
- Need for firmware update
- Control module malfunction
- Problems with wiring or connectors
- Communication errors between modules
How to Fix
- Check the status of the control module
- Update or reprogram the module
- Check connections and wiring
- Test communication between modules
- If necessary, replace the control module
Related codes
FAQ
What does the P1FAA code mean?
P1FAA is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 9 Not Programmed
What causes a P1FAA error code?
The most common causes of P1FAA include: Control module not programmed; Need for firmware update; Control module malfunction; Problems with wiring or connectors.
How do I fix a P1FAA diagnostic trouble code?
To fix P1FAA: Check the status of the control module. Update or reprogram the module. Check connections and wiring. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1FAA?
Limited driving only, diagnose soon
How much does it cost to fix P1FAA?
The estimated repair cost for P1FAA is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat