OBD Guide

P0C56

Drive Motor B Position Sensor Circuit A Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Rough engine operation
  • Problems starting the engine
  • Switching to emergency mode

Causes

  • Motor position sensor B fault
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Problems with the engine control module
  • Mechanical damage to the sensor or its elements

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check the contacts in the sensor connectors
  3. Check sensor resistance
  4. Replace motor position sensor B if necessary
  5. Update control module software

Related codes

Error P0C56 by Vehicle Brand