U042C

Invalid Data Received From Chassis Control Module B

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

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

Related codes

U042B U042D U0402