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.
2014 Honda Ridgeline RTLFACTORY OEM SERVICE PROCEDURE
Multiplex Integrated Control DTCS
MULTIPLEX INTEGRATED CONTROL DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1000 | Communication Bus Line Error (BUS-OFF) |
| DTC B1050; DTC B1100; DTC B1150; DTC B1200; DTC B1250; DTC B1750 | Communication Bus Line Error |
| DTC B1001; DTC B1002 | MICU Internal Error (CPU Error); MICU Internal Error (EEPROM Error) |
| DTC B1005 | MICU Lost Communication with Relay Control Module |
| DTC B1006 | MICU Lost Communication with the Door Multiplex Control Unit (DRLOCKSW Message) |
| DTC B1007 | MICU Lost Communication with the Combination Switch Control Unit (HLSW Message) |
| DTC B1008 | MICU Lost Communication with Gauge Control Module (A/T Message) |
| DTC B1010 | MICU Lost Communication with Door Multiplex Control Unit (PANIC Message) |
| DTC B1011 | MICU Lost Communication with Gauge Control Module (VSP/NE Message) |
| DTC B1080 | Power Supply Circuit (IG1 Line) Input Error for Relay Control Module and MICU |
| DTC B1102 | Door Multiplex Control Unit Internal Error (EEPROM Error) |
| DTC B1105 | Door Multiplex Control Unit Lost Communication with MICU (DOORSW Message) |
| DTC B1106 | Door Multiplex Control Unit Lost Communication with MICU (MICU message) |
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.