OBD Guide

B11D5

A/C Cool Down Test Performance EVAP Temperature Sensor Error

B11D5 is an OBD-II diagnostic trouble code meaning: A/C Cool Down Test Performance EVAP Temperature Sensor Error. Common causes: evap temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine Light Is On
  • Unstable engine operation at idle
  • Increased fuel consumption

Causes

  • EVAP temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the wiring harness to the EVAP sensor
  2. Measure the resistance of the EVAP temperature sensor
  3. Check the connection of the sensor to the control unit
  4. Replace EVAP temperature sensor if necessary

Related codes

FAQ

What does the B11D5 code mean?

B11D5 is an OBD-II diagnostic trouble code that indicates: A/C Cool Down Test Performance EVAP Temperature Sensor Error

What causes a B11D5 error code?

The most common causes of B11D5 include: EVAP temperature sensor malfunction; Open or short circuit in the sensor circuit; Wiring harness damage; Problems with the engine control unit.

How do I fix a B11D5 diagnostic trouble code?

To fix B11D5: Check the integrity of the wiring harness to the EVAP sensor. Measure the resistance of the EVAP temperature sensor. Check the connection of the sensor to the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B11D5?

Limited driving only, diagnose soon

How much does it cost to fix B11D5?

The estimated repair cost for B11D5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat