OBD Guide

B3A10

A/C Condenser Efficiency Above Threshold

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

Symptoms

  • Reduced air conditioner efficiency
  • Unusual noises from the air conditioning system
  • Evaporator freezing

Causes

  • Condenser temperature sensor malfunction
  • Clogged or damaged condenser
  • Problems with the air conditioner control module

How to Fix

  1. Check condenser temperature sensor
  2. Check the condition of the condenser for clogging or damage.
  3. Check the operation of the air conditioner control module

Related codes

Error B3A10 by Vehicle Brand