U0431

Invalid Data Received From Body Control Module A

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Incorrect operation of body electrical equipment
Check Engine Light Is On
Problems with central locking
Lighting malfunctions
Errors in other vehicle systems

Causes

Body Module (BCM-A) Malfunction
Wiring harness damage
Oxidation or poor contact in connectors
Module power problems
Software error in the module

How to Fix

Check body module connections and connectors
Check the integrity of the wiring harness
Check power supply and grounding of the module
Scan the module for other errors
If necessary, replace or reflash the body module

Related codes

U0428 U0432 U0401