OBD Guide

P0C57

Drive Motor B Position Sensor Circuit A Low

P0C57 is an OBD-II diagnostic trouble code meaning: Drive Motor B Position Sensor Circuit A Low. Common causes: open or short circuit in the sensor circuit, poor contact in sensor connectors. 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
  • Hybrid system doesn't work smoothly
  • Check Engine Light Illuminated
  • Possible problems with regenerative braking
  • Reduced performance of the hybrid system

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Motor position sensor B fault
  • Problems with the hybrid system control unit
  • Damage to the wiring harness near the engine

How to Fix

  1. Check the continuity of the position sensor circuit
  2. Inspect and clean the sensor connector contacts
  3. Check sensor resistance to specifications
  4. If necessary, replace motor position sensor B
  5. Check and update the control unit software

Related codes

Error P0C57 by Vehicle Brand

FAQ

What does the P0C57 code mean?

P0C57 is an OBD-II diagnostic trouble code that indicates: Drive Motor B Position Sensor Circuit A Low

What causes a P0C57 error code?

The most common causes of P0C57 include: Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Motor position sensor B fault; Problems with the hybrid system control unit.

How do I fix a P0C57 diagnostic trouble code?

To fix P0C57: Check the continuity of the position sensor circuit. Inspect and clean the sensor connector contacts. Check sensor resistance to specifications. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C57?

Limited driving only, diagnose soon

How much does it cost to fix P0C57?

The estimated repair cost for P0C57 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat