U025A

Lost Communication With Special Purpose Vehicle Control Module B

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Inability to activate special equipment
Error message on the dashboard
Lack of response to control commands
System transition to emergency mode

Causes

Broken or damaged wires in the harness
Malfunction of the special equipment control module
Module power problems
Corrosion of connector contacts
Software error in the ECU

How to Fix

Check the integrity of the wiring harness to the module
Check fuses and module power relays
Inspect and clean connector contacts
Carry out diagnostics of the special equipment module
Repair only from an authorized dealer

Related codes

U0259 U025B U0258