OBD Guide

P1FD5

Hybrid/EV Battery Interface Control Module 1 Voltage Sensor Circuit Low Voltage

P1FD5 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 1 Voltage Sensor Circuit Low Voltage. Common causes: battery module voltage sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Problems with regenerative braking
  • Reducing electric range
  • Incorrect battery level readings

Causes

  • Battery module voltage sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in circuit connectors
  • Battery management module malfunction
  • Control module power problems

How to Fix

  1. Check the continuity of the voltage sensor circuit
  2. Check connections and connectors in the circuit
  3. Test battery module voltage sensor
  4. Check the functionality of the battery management module
  5. Replace faulty components

Related codes

FAQ

What does the P1FD5 code mean?

P1FD5 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 1 Voltage Sensor Circuit Low Voltage

What causes a P1FD5 error code?

The most common causes of P1FD5 include: Battery module voltage sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in circuit connectors; Battery management module malfunction.

How do I fix a P1FD5 diagnostic trouble code?

To fix P1FD5: Check the continuity of the voltage sensor circuit. Check connections and connectors in the circuit. Test battery module voltage sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FD5?

Limited driving only, diagnose soon

How much does it cost to fix P1FD5?

The estimated repair cost for P1FD5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat