B3621

Head-Up Display Information Down Switch Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$11–56 (est.)

Symptoms

Switching information on the display does not work
The display does not respond to switch presses
Random display glitches

Causes

Open or shorted wiring harness
Faulty switch
Display control module problems
Poor connection in connectors

How to Fix

Check the integrity of the wiring harness
Check connector connections
Check the functionality of the switch
Check voltage and ground in the circuit
Replace switch if necessary

Related codes