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.
2021 Honda Pilot EX, FWDFACTORY OEM SERVICE PROCEDURE
Audio-Navigation System DTCS
AUDIO-NAVIGATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | Circuit |
|---|---|---|
| 1101 | Media Bus Send Error | Media condition monitoring |
| 1102 | USB Diag | USB |
| 1103 | USB-HUB Error | USB |
| 1203 | DVD Temp Error | DVD Player Unit (CD/DVD drive) |
| 1301 | GPS Antenna Error | GPS antenna |
| 1302 | GPS Receiver Error 1 | Audio unit (GPS receiver) |
| 1303 | GPS Receiver Error 2 | Audio unit (GPS receiver) |
| 1306 | Vehicle Speed Pulse | PCM (VSP) |
| 1402 | Audio Error 2 | CD Player Unit |
| 1404 | Audio Error 4 | DVD Player Unit |
| 1406 | Audio Error 6 | Tuner Unit |
| 1410 | Audio Error 10 | Rear controller and screen |
| 1702 | XM Antenna Error | XM antenna |
| 2607 | XM Diag | Audio unit (XM receiver) |
| 2608 | Rear Camera Diag | Rearview camera |
| 2610 | DRAM Diag | Audio unit (Audio ECU DRAM) |
| 2618 | LaneWatch Diag | LaneWatch camera |
| 2623 | Compass Diag | Electrical Compass Unit |
| 2701 | GPS Diag: Antenna | GPS antenna |
| 2702 | GPS Diag: Receiver in Navi ECU | Audio unit (GPS receiver) |
| 2703 | Aircon Diag | Climate control unit |
Factory Service Tools
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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.
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