U055A

Invalid Data Received From Special Purpose Vehicle Control Module A

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Error on the dashboard
Incorrect operation of special equipment
Disabling special equipment functions
Intermittent malfunctions
Loss of communication with the module

Causes

Malfunction of the special equipment control module
Wiring harness damage
Problems with the CAN bus
Contact corrosion
Module software error

How to Fix

Check connections and wiring harness
Diagnose CAN bus
Check module power supply
Update module firmware
Replace the special equipment control module

Related codes

U055B U055C U055D