Loss of Communication DTC cross-reference chart
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. However, it is still accessible from the selected car via links, so may be relevant.
When an ECU on the CAN circuit is unable to communicate with the other ECUs on the B-CAN and F-CAN circuits, the other control units set loss of communication DTCs. Use this chart to find the control unit that is not communicating with other control units on the CAN circuit.
- Find the Transmitting Control Unit that is in the same row as all of the loss of communication DTCs retrieved.
- Do the input test for the transmitting control unit.
BUS OFF and Internal Error Codes
BUS OFF AND INTERNAL ERROR CODES CHART
| DTC Type | Related Unit | ||||||
|---|---|---|---|---|---|---|---|
| MICU | Relay Control Module | Door Multiplex Control Unit | Combination Switch Control Unit | Gauge Control Module | HVAC Control Unit or Climate Control Unit | HandsFreeLink Control Unit | |
| BUS OFF | B1000 | B1050 | B1100 | B1250 | B1150 | B1200 | B1750 |
| ECU (CPU) Error | B1001 | ||||||
| ECU (EEPROM) Error | B1002 | B1102 | B1152 | B1202 | B1792 | ||
Loss of Communication
LOSS OF COMMUNICATION CONTROL UNIT CHART
| Transmitting Control Unit | Message | Receiving Unit/Loss of Communication DTC | ||||||
|---|---|---|---|---|---|---|---|---|
| MICU | Relay Control Module | Door Multiplex Control Unit | Combination Switch Control Unit | Gauge Control Module | HVAC Control Unit or Climate Control Unit | HandsFreeLink Control Unit | ||
| MICU | ALARM | B1056 | ||||||
| MICU | B1055 | B1106 | B1255 | B1157 | ||||
| DOOR SWITCH | B1057 | B1105 | B1159 | |||||
| Relay Control Module | RELAY CONTROL MODULE | B1005 | B1158 | |||||
| Door Multiplex Control Unit | PANIC | B1010 | B1059 | |||||
| DRIVER'S DOOR LOCK SWITCH | B1006 | B1058 | B1160 | |||||
| Combination Switch Control Unit | HEADLIGHT SWITCH | B1007 | B1062 | B1155 | ||||
| WIPER SWITCH | B1063 | B1156 | ||||||
| Gauge Control Module | VSP/NE | B1011 | B1060 | B1205 | ||||
| A/T | B1008 | B1061 | ||||||
| ENGTEP | B1206 | |||||||
| VEHINFO | B1786 | |||||||
| PCM | ENG | B1168 | ||||||
| AT | B1169 | |||||||
| TPMS Control Unit | TPMS | B1173 | ||||||
| VSA Modulator-control Unit | VSA | B1170 | ||||||