OBD Guide

U0295

Lost Communication With AC/AC Converter Control Module

U0295 is an OBD-II diagnostic trouble code meaning: Lost Communication With AC/AC Converter Control Module. Common causes: open or short circuit in the communication circuit, air conditioning control module malfunction. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Air conditioner doesn't work
  • Increased fuel consumption
  • Check Engine Light Is On
  • Inability to regulate cabin temperature
  • Reduced engine power

Causes

  • Open or short circuit in the communication circuit
  • Air conditioning control module malfunction
  • Connector problems or contact corrosion
  • Software failure in the module
  • Module power problems

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the power and ground of the control module
  3. Scan module for errors
  4. If necessary, replace the control module
  5. Update module software

Related codes

Error U0295 by Vehicle Brand

FAQ

What does the U0295 code mean?

U0295 is an OBD-II diagnostic trouble code that indicates: Lost Communication With AC/AC Converter Control Module

What causes a U0295 error code?

The most common causes of U0295 include: Open or short circuit in the communication circuit; Air conditioning control module malfunction; Connector problems or contact corrosion; Software failure in the module.

How do I fix a U0295 diagnostic trouble code?

To fix U0295: Check the integrity of wiring and connectors. Check the power and ground of the control module. Scan module for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0295?

Yes, but get it checked soon

How much does it cost to fix U0295?

The estimated repair cost for U0295 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat