OBD Guide

P0BF8

Drive Motor B Phase V Current Sensor Circuit High

P0BF8 is an OBD-II diagnostic trouble code meaning: Drive Motor B Phase V Current Sensor Circuit High. Common causes: phase b current sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Reduced motor power
  • Unstable operation of the hybrid system
  • Check Engine Light Illuminates
  • Deteriorating fuel economy
  • Possible jerking when moving

Causes

  • Phase B current sensor fault
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Problems with the motor control unit
  • Corroded contacts or damaged wiring

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for damage
  3. Check the resistance of the current sensor
  4. Scan the control unit for additional errors
  5. If necessary, replace the phase B current sensor

Related codes

Error P0BF8 by Vehicle Brand

FAQ

What does the P0BF8 code mean?

P0BF8 is an OBD-II diagnostic trouble code that indicates: Drive Motor B Phase V Current Sensor Circuit High

What causes a P0BF8 error code?

The most common causes of P0BF8 include: Phase B current sensor fault; Open or short circuit in the sensor circuit; Poor contact in connectors; Problems with the motor control unit.

How do I fix a P0BF8 diagnostic trouble code?

To fix P0BF8: Check the integrity of the sensor circuit. Inspect connectors and contacts for damage. Check the resistance of the current sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0BF8?

Limited driving only, diagnose soon

How much does it cost to fix P0BF8?

The estimated repair cost for P0BF8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat