OBD Guide

U0133

Lost Communication With Active Roll Control Module

U0133 is an OBD-II diagnostic trouble code meaning: Lost Communication With Active Roll Control Module. Common causes: broken or damaged wiring to the module, malfunction of the active stabilization module. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine Light Is On
  • Disabling the active stabilization system
  • Increased body roll in corners
  • There may be other related errors
  • Deterioration in handling

Causes

  • Broken or damaged wiring to the module
  • Malfunction of the active stabilization module
  • Module power problems
  • Main control unit malfunction
  • Corrosion of contacts or connectors

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the power supply and ground of the module
  3. Scan the module for internal errors
  4. If necessary, replace the active stabilization module
  5. Check and reflash the main control unit

Related codes

Error U0133 by Vehicle Brand

FAQ

What does the U0133 code mean?

U0133 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Active Roll Control Module

What causes a U0133 error code?

The most common causes of U0133 include: Broken or damaged wiring to the module; Malfunction of the active stabilization module; Module power problems; Main control unit malfunction.

How do I fix a U0133 diagnostic trouble code?

To fix U0133: Check the integrity of wiring and connectors. Check the power supply and ground of the module. Scan the module for internal errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0133?

Limited driving only, diagnose soon

How much does it cost to fix U0133?

The estimated repair cost for U0133 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat