Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC 1402: Audio Error 2
- Check the vehicle battery condition first (see BATTERY TEST ).
- This code sets when the audio-navigation unit detects a mechanical malfunction in the audio disc changer.
- Before you troubleshoot, make sure to follow the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION -('10 MODEL) ).
- Clear the hard error code (see HOW TO CLEAR ERROR HISTORY ).
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Check for the hard error code (see
HOW DO I FIND THE LOCAL ADDRESS OF A BUSINESS THAT IS PART OF A NATIONAL CHAIN (FOR EXAMPLE, STARBUCKS)? ).
Is DTC 1402 indicated?
YES -Check if the audio unit functions are working properly. If any problems are found, go to affected troubleshooting in audio section.
NO -Intermittent failure, the system is OK at this time. If the vehicle repeatedly comes back with the DTC, replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION - ('10 MODEL) ).
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.