Loss of Communication DTC Cross-reference Chart
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. 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 CAN circuit, the other control units will set loss of communication DTCs Use this chart to find the control unit that is not communicating with the 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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver's MICU | Passenger's MICU | Gauge Control Module | Door Multiplex Control Unit | Immobilizer-Keyless Control Unit | Power Control Unit | Keyless Access Control Unit | Remote Slot Control Unit | Climate Control Unit | HandsFreeLink Control Unit | AcuraLink Control Unit | Power Seat Control Unit | |
| BUS OFF | U1280 | U1280 | U1280 | U1280 | U1280 | U1280 | U1280 | U1280 | U1280 | U1280 | U1280 | U1280 |
| ECU (EEPROM) Error | B10A2 | B11A2 | B1152 | B1902 | B1602 | B1902 | B1802 | |||||
Loss of Communication
LOSS OF COMMUNICATION CHART
| Transmitting Control Unit | Receiving Unit/Loss of Communication DTC | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver's MICU | Passenger's MICU | Gauge Control Module | Door Multiplex Control Unit | Immobilizer-Keyless Control Unit | Power Control Unit | Keyless Access Control Unit | Remote Slot Control Unit | Climate Control Unit | HandsFreeLink Control Unit | AcuraLink Control Unit | Power Seat Control Unit | |
| Driver's MICU | TX | U1282 | U1282 | U1282 | U1282 | U1282 | U1282 | U1282 | U1282 | |||
| Passenger's MICU | U1283 | TX | U1283 | U1283 | U1283 | |||||||
| Gauge Control Module | U0155 | U0155 | TX | U0155 | U0155 | U0155 | U0155 | U0155 | U0155 | U0155 U128D |
U0155 | |
| Door Multiplex Control Unit | U0199 | U0199 | TX | U0199 | U0199 | U0199 | U0199 | U0199 | ||||
| Power Control Unit | U128B | TX | ||||||||||
| Keyless Access Control Unit | U1286 | TX | ||||||||||
| Remote Slot Control Unit | U1289 | TX | ||||||||||
| Climate Control Unit | U0164 | U0164 | TX | |||||||||
| PCM | U0100 | U0100 | ||||||||||
| SRS Unit | U0151 | |||||||||||
| VSA Modulator-Control Unit | U0122 | |||||||||||
| TPMS Control Unit | U0127 | |||||||||||
| EPS Control Unit | U0131 | |||||||||||
| TX Transmitting unit does not set a loss of communication DTC | ||||||||||||