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.
Loss of Communication DTC cross-reference chart
2002 Honda Civic SiSECTION Loss of Communication DTC cross-reference chart
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
When an ECU is unable to communicate with the other ECUs on the CAN circuit, the other control units will set loss of communication DTCs. Use this chart to find the control unit that is not communicating.
- Find the Transmitting Control Unit that is in the same row as all of the loss of communication DTCs retrieved shown in LOSS OF COMMUNICATION DTC CROSS-REFERENCE .
- Perform the input test for the transmitting control unit.
LOSS OF COMMUNICATION DTC CROSS-REFERENCE
| 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 | A/C Control Panel or Climate Control Unit | MICU-Rear Junction Box | Power Tailgate Control Unit | Left Power Sliding Door Control Unit | Right Power Sliding Door Control Unit | Automatic Lighting Control Unit | Power Seat Control Unit | ||||
| MICU | ALARM | B1056 | (1) | ||||||||||||
| MICU | B1055 | B1106 | B1255 | B1157 | B1955 | B1355 | B2005 | B2055 | B1556 | B1806 | |||||
| DOOR SWITCH | B1057 | B1105 | B1159 | B1807 | |||||||||||
| PASSENGER'S DOOR SWITCH | (1) | B1358 | B2008 | B2058 | |||||||||||
| Relay Control Module | RELAY CONTROL MODULE | B1005 | B1158 | B1959 | |||||||||||
| Door Multiplex Control Unit | KEYLESS DOOR LOCK | (1) | (1) | (1) | (1) | ||||||||||
| PANIC | (1) | (1) | |||||||||||||
| DRIVER'S DOOR LOCK SWITCH | B1006 | B1058 | B1160 | B1356 | |||||||||||
| FOB ID | (1) | (1) | (1) | ||||||||||||
| Combination Switch Control Unit | HEADLIGHT SWITCH | B1007 | B1062 | B1155 | B1957 | B1555 | |||||||||
| WIPER SWITCH | B1063 | B1156 | B1958 | ||||||||||||
| Gauge Control Module | VSP/NE | (1) | B1060 | B1205 | B1357 | B2010 | B2060 | B1805 | |||||||
| A/T | B1008 | B1061 | B1956 | B2011 | B2061 | B1808 | |||||||||
| ENGTEP | B1206 | ||||||||||||||
| ILLUMI | B1207 | ||||||||||||||
| VSP | B2042 | B2092 | |||||||||||||
| VSA | B2043 | B2093 | |||||||||||||
| STEERING | |||||||||||||||
| A/C Control Panel or Climate Control Unit | (1) | (1) | B1960 | ||||||||||||
| MICU-Rear Junction Box | RJU | B1012 | B2007 | ||||||||||||
| Power Tailgate Control Unit | ANSWER BACK | (1) | |||||||||||||
| POWER TAILGATE | B1162 | ||||||||||||||
| Left Power Sliding Door Control Unit | LEFT POWER SLIDING DOOR | B1163 | |||||||||||||
| PSDBUZZ | B2059 | ||||||||||||||
| Right Power Sliding Door Control Unit | RIGHT POWER SLIDING DOOR | B1164 | |||||||||||||
| Automatic Lighting Control Unit | AUTOLT | (1) | (1) | B1165 | |||||||||||
| PCM | B1168 B1169 |
||||||||||||||
| TPMS | B1173 | ||||||||||||||
| VSA | B1170 | ||||||||||||||
|
|||||||||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.