OBD Guide

P1C26

Drive Motor 'B' Temperature Sensor Circuit High

P1C26 is an OBD-II diagnostic trouble code meaning: Drive Motor 'B' Temperature Sensor Circuit High. Common causes: engine temperature sensor b fault, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Activation of emergency operation
  • Incorrect temperature readings on the dashboard
  • Increased noise from cooling fans

Causes

  • Engine temperature sensor B fault
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Problems with the engine control unit
  • Corroded contacts or damaged wiring harness

How to Fix

  1. Check the resistance of the temperature sensor
  2. Inspect the sensor circuit for damage
  3. Check contacts and connectors
  4. Replace temperature sensor if necessary
  5. Reset the error code and check the system

Related codes

FAQ

What does the P1C26 code mean?

P1C26 is an OBD-II diagnostic trouble code that indicates: Drive Motor 'B' Temperature Sensor Circuit High

What causes a P1C26 error code?

The most common causes of P1C26 include: Engine temperature sensor B fault; Open or short circuit in the sensor circuit; Poor contact in connectors; Problems with the engine control unit.

How do I fix a P1C26 diagnostic trouble code?

To fix P1C26: Check the resistance of the temperature sensor. Inspect the sensor circuit for damage. Check contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1C26?

Limited driving only, diagnose soon

How much does it cost to fix P1C26?

The estimated repair cost for P1C26 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat