B2404: Audio Steering Wheel Switch Circuit Fault

What does B2404 mean?

B2404 is a diagnostic trouble code indicating "Audio Steering Wheel Switch Circuit Fault". This code relates to your vehicle's entertainment & display and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Symptoms you may notice

• Check engine light (MIL) illuminated on dashboard
• Intermittent warning lights
• Erratic gauge readings

Common causes

• Faulty entertainment & display component
• Wiring or connector issue in the related circuit
• Failed sensor providing incorrect readings
• Software/calibration issue requiring ECU update
• Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.