P1FF1
Hybrid/EV Battery Interface Control Module 9 Voltage Sensor Performance
P1FF1 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 9 Voltage Sensor Performance. Common causes: voltage sensor fault, problems with wiring or contacts. Estimated repair cost: $56–167.
Symptoms
- Reduced engine power
- Switching to emergency mode
- Warning messages on the instrument panel
- Reduced performance of the hybrid system
- Battery charging/discharging problems
Causes
- Voltage sensor fault
- Problems with wiring or contacts
- Battery management module malfunction
- Corroded or damaged connectors
- Software error in control module
How to Fix
- Check the condition of the voltage sensor
- Check the integrity of wiring and contacts
- Scan the battery management module for errors
- If necessary, replace the voltage sensor
- Update control module software
Related codes
FAQ
What does the P1FF1 code mean?
P1FF1 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 9 Voltage Sensor Performance
What causes a P1FF1 error code?
The most common causes of P1FF1 include: Voltage sensor fault; Problems with wiring or contacts; Battery management module malfunction; Corroded or damaged connectors.
How do I fix a P1FF1 diagnostic trouble code?
To fix P1FF1: Check the condition of the voltage sensor. Check the integrity of wiring and contacts. Scan the battery management module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1FF1?
Limited driving only, diagnose soon
How much does it cost to fix P1FF1?
The estimated repair cost for P1FF1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat