OBD Guide

P0C51

Drive Motor A Position Sensor Circuit A Range/Performance

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced power or unstable engine operation
  • Switching to emergency mode
  • Problems with regenerative braking
  • Unusual noises from the electric motor

Causes

  • Engine position sensor A fault
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Wiring Harness Problems
  • Hybrid ECU malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Test the position sensor with a multimeter
  4. Replace the faulty sensor if necessary
  5. Check and update ECU software

Related codes

Error P0C51 by Vehicle Brand