OBD Guide

C190B

Short In Rear Control Board Temperature Sensor Circuit

C190B is an OBD-II diagnostic trouble code meaning: Short In Rear Control Board Temperature Sensor Circuit. Common causes: wiring harness damage, temperature sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect temperature readings
  • Check Engine light comes on
  • Reduced efficiency of systems that depend on a temperature sensor

Causes

  • Wiring harness damage
  • Temperature sensor malfunction
  • Problems in the rear control module
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the temperature sensor for malfunctions
  3. Check rear control module
  4. Eliminate short circuit in the circuit

Related codes

FAQ

What does the C190B code mean?

C190B is an OBD-II diagnostic trouble code that indicates: Short In Rear Control Board Temperature Sensor Circuit

What causes a C190B error code?

The most common causes of C190B include: Wiring harness damage; Temperature sensor malfunction; Problems in the rear control module; Short circuit in the circuit.

How do I fix a C190B diagnostic trouble code?

To fix C190B: Check the integrity of the wiring harness. Check the temperature sensor for malfunctions. Check rear control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C190B?

Limited driving only, diagnose soon

How much does it cost to fix C190B?

The estimated repair cost for C190B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat