OBD Guide

P0BE8

Drive Motor A Phase U Current Sensor Circuit High

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Reduced motor power
  • Switching to emergency mode
  • Check Engine Light Illuminated
  • Unstable operation of the hybrid system
  • Increased heat generation in the power module

Causes

  • Phase U current sensor fault
  • Damage to the wiring harness to the sensor
  • Short circuit in the sensor circuit
  • Problems with power inverter
  • Malfunction of the electric drive control unit

How to Fix

  1. Check the continuity of the phase sensor circuit U
  2. Test the current sensor with a multimeter
  3. Inspect connectors and wiring for damage
  4. Check the operation of the power inverter
  5. If necessary, replace the current sensor

Related codes

Error P0BE8 by Vehicle Brand