OBD Guide
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P1FF2

Hybrid/EV Battery Interface Control Module 10 Voltage Sensor Performance

P1FF2 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 10 Voltage Sensor Performance. Common causes: voltage sensor fault, damage to the wiring to the sensor. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Switching to emergency mode
  • Problems charging the hybrid battery
  • Increased fuel consumption (for hybrids)

Causes

  • Voltage sensor fault
  • Damage to the wiring to the sensor
  • Problems with the battery management module
  • Contact corrosion
  • Control module software error

How to Fix

  1. Check the condition of the wiring and connectors
  2. Test the voltage sensor
  3. Check the functionality of the control module
  4. Update module software
  5. Replace the faulty sensor or module

Related codes

P1FF0P1FF1P1FF3

FAQ

What does the P1FF2 code mean?

P1FF2 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 10 Voltage Sensor Performance

What causes a P1FF2 error code?

The most common causes of P1FF2 include: Voltage sensor fault; Damage to the wiring to the sensor; Problems with the battery management module; Contact corrosion.

How do I fix a P1FF2 diagnostic trouble code?

To fix P1FF2: Check the condition of the wiring and connectors. Test the voltage sensor. Check the functionality of the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FF2?

Limited driving only, diagnose soon

How much does it cost to fix P1FF2?

The estimated repair cost for P1FF2 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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