OBD Guide

U042C

Invalid Data Received From Chassis Control Module B

U042C is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Chassis Control Module B. Common causes: damage to the wiring harness between modules, chassis control module b malfunction. 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
  • Possible error messages on the dashboard
  • Deterioration in the performance of stabilization systems
  • Disabling some suspension features
  • Problems with adaptive cruise control (if equipped)

Causes

  • Damage to the wiring harness between modules
  • Chassis control module B malfunction
  • Control module power problems
  • Corrosion of contacts in connectors
  • Software errors in the control module

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect and clean connector contacts
  3. Check power supply to chassis control module B
  4. Scan the module for additional errors
  5. Replace chassis control module B if necessary

Related codes

Error U042C by Vehicle Brand

FAQ

What does the U042C code mean?

U042C is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Chassis Control Module B

What causes a U042C error code?

The most common causes of U042C include: Damage to the wiring harness between modules; Chassis control module B malfunction; Control module power problems; Corrosion of contacts in connectors.

How do I fix a U042C diagnostic trouble code?

To fix U042C: Check the integrity of the wiring harness. Inspect and clean connector contacts. Check power supply to chassis control module B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U042C?

Limited driving only, diagnose soon

How much does it cost to fix U042C?

The estimated repair cost for U042C is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat