B3744

Head-Up Display Mode Switch Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Inability to change head-up display modes
No response when pressing the switch
Incorrect display of information on HUD

Causes

Open or short circuit in switch circuit
Poor contact in connectors
Mode switch malfunction
Wiring Harness Problems

How to Fix

Check the continuity of the switch circuit
Inspect connectors for oxidation or damage
Check the operation of the mode switch
Replace switch if necessary
Check wiring harness for damage

Related codes

B3743 B3745 U0155