OBD Guide

B0414

Temperature Control Left Feedback Circuit Actuator Range/Performance

B0414 is an OBD-II diagnostic trouble code meaning: Temperature Control Left Feedback Circuit Actuator Range/Performance. Common causes: temperature sensor malfunction, problems with the actuator. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of climate control
  • Unstable temperature on the left side of the cabin
  • Hot or cold air on one side only

Causes

  • Temperature sensor malfunction
  • Problems with the actuator
  • Open or short circuit in wiring harness
  • Malfunction of the climate control control unit

How to Fix

  1. Check left side temperature sensor
  2. Check the actuator
  3. Check the wiring harness for opens and shorts
  4. Check the climate control control unit

Related codes

Error B0414 by Vehicle Brand

FAQ

What does the B0414 code mean?

B0414 is an OBD-II diagnostic trouble code that indicates: Temperature Control Left Feedback Circuit Actuator Range/Performance

What causes a B0414 error code?

The most common causes of B0414 include: Temperature sensor malfunction; Problems with the actuator; Open or short circuit in wiring harness; Malfunction of the climate control control unit.

How do I fix a B0414 diagnostic trouble code?

To fix B0414: Check left side temperature sensor. Check the actuator. Check the wiring harness for opens and shorts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0414?

Limited driving only, diagnose soon

How much does it cost to fix B0414?

The estimated repair cost for B0414 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat