OBD Guide

U0596

Invalid Data Received From AC/AC Converter Control Module

U0596 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From AC/AC Converter Control Module. Common causes: ac/ac converter control module faulty, open or short circuit in the communication circuit. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • The air conditioning system does not work
  • Occurrence of other electrical faults
  • Check engine light comes on
  • Reduced efficiency of electrical equipment

Causes

  • AC/AC converter control module faulty
  • Open or short circuit in the communication circuit
  • Module power problems
  • Software errors in the module
  • Corrosion of contacts or connectors

How to Fix

  1. Check the integrity of the wiring harness to the module
  2. Check the power supply and ground of the module
  3. Scan the module for additional errors
  4. Update module software (if possible)
  5. Replace AC/AC converter control module if necessary

Related codes

Error U0596 by Vehicle Brand

FAQ

What does the U0596 code mean?

U0596 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From AC/AC Converter Control Module

What causes a U0596 error code?

The most common causes of U0596 include: AC/AC converter control module faulty; Open or short circuit in the communication circuit; Module power problems; Software errors in the module.

How do I fix a U0596 diagnostic trouble code?

To fix U0596: Check the integrity of the wiring harness to the module. Check the power supply and ground of the module. Scan the module for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0596?

Yes, but get it checked soon

How much does it cost to fix U0596?

The estimated repair cost for U0596 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat