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.
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HOMESERVICE MANUALSHONDA2007RIDGELINE RTSREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXMULTIPLEX INTEGRATED CONTROL DTCS
2007 Honda Ridgeline RTS
Multiplex Integrated Control DTCS
2007 Honda Ridgeline RTSSECTION Multiplex Integrated Control DTCS
MULTIPLEX INTEGRATED CONTROL DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1000 | Communication Bus Line Error |
| DTC B1050, B1100, B1150, B1200, B1250 | Communication Bus Line Error |
| DTC B1001, B1002 | MICU Internal Error (CPU Error) (EEPROM Error) |
| DTC B1005 | MICU Lost Communication with the Relay Control Module |
| DTC B1006 | MICU Lost Communication with the Door Multiplex Control Unit (Door Lock Switch Message) |
| DTC B1007 | MICU Lost Communication with the Combination Switch Control Unit (Headlight Switch Message) |
| DTC B1008 | MICU Lost Communication with the Gauge Control Module (A/T Message) |
| DTC B1010 | MICU Lost Communication with the Door Multiplex Control Unit (Panic Message) |
| DTC B1011 | MICU Lost Communication (VSP/NE Message) with the Gauge Control Module |
| DTC B1080 | Power Supply Circuit (IG1 Line) Input Error for Relay Control Module and MICU |
| DTC B1102 | Door Multiplex Control Unit Internal Error |
| DTC B1105 | Door Multiplex Control Unit Lost Communication with MICU (Door Switch Message) |
| DTC B1106 | Door Multiplex Control Unit Lost Communication with MICU |
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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.