OBD Guide

B3A16

A/C Refrigerant Distribution Valve B Actuator Temperature Range/Performance

B3A16 is an OBD-II diagnostic trouble code meaning: A/C Refrigerant Distribution Valve B Actuator Temperature Range/Performance. Common causes: valve actuator malfunction, problems in the electrical circuit (open, short circuit). Estimated repair cost: $56–167.

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

Symptoms

  • Insufficient interior cooling
  • Uneven operation of the air conditioner
  • Noises during operation of the air conditioning system

Causes

  • Valve actuator malfunction
  • Problems in the electrical circuit (open, short circuit)
  • Incorrect signals from the control unit
  • Valve is dirty or clogged

How to Fix

  1. Check the electrical circuit of the actuator
  2. Check the operation of the actuator
  3. Replace faulty actuator if necessary
  4. Clean or replace refrigerant distribution valve

Related codes

Error B3A16 by Vehicle Brand

FAQ

What does the B3A16 code mean?

B3A16 is an OBD-II diagnostic trouble code that indicates: A/C Refrigerant Distribution Valve B Actuator Temperature Range/Performance

What causes a B3A16 error code?

The most common causes of B3A16 include: Valve actuator malfunction; Problems in the electrical circuit (open, short circuit); Incorrect signals from the control unit; Valve is dirty or clogged.

How do I fix a B3A16 diagnostic trouble code?

To fix B3A16: Check the electrical circuit of the actuator. Check the operation of the actuator. Replace faulty actuator if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3A16?

Limited driving only, diagnose soon

How much does it cost to fix B3A16?

The estimated repair cost for B3A16 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat