OBD Guide
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P1FEB

Hybrid/EV Battery Interface Control Module 3 Voltage Sensor Performance

P1FEB is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 3 Voltage Sensor Performance. Common causes: voltage sensor fault, damage to wiring or connectors. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Hybrid system power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced efficiency of regenerative braking
  • Incorrect battery level display

Causes

  • Voltage sensor fault
  • Damage to wiring or connectors
  • Problems with the control module
  • Contact corrosion
  • Software problems

How to Fix

  1. Check the condition of the voltage sensor
  2. Inspect wiring and connectors for damage
  3. Check contacts for corrosion
  4. Scan the system for other errors
  5. If necessary, replace the sensor or control module

Related codes

P1FEAP1FECP1FED

FAQ

What does the P1FEB code mean?

P1FEB is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 3 Voltage Sensor Performance

What causes a P1FEB error code?

The most common causes of P1FEB include: Voltage sensor fault; Damage to wiring or connectors; Problems with the control module; Contact corrosion.

How do I fix a P1FEB diagnostic trouble code?

To fix P1FEB: Check the condition of the voltage sensor. Inspect wiring and connectors for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FEB?

Yes, but get it checked soon

How much does it cost to fix P1FEB?

The estimated repair cost for P1FEB is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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