DTC : U0155, U1282
DTC U0155 : Lost communication with Gauge Control Module
DTC U1282 : Lost communication with Driver's MICU
| DTC Description | DTC |
|---|---|
| U0155 Lost communication with Gauge Control Module | |
| U1282 Lost communication with Driver's MICU |
DTC (Parking and Back-Up Sensor Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Go to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .
- Problem verification
- 1. Clear the DTCs with the HDS.
Clear DTCs
- 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- 3. Wait for at least 6 seconds.
- 4. Check for DTCs with the HDS.
DTC Description DTC U0155 Lost communication with Gauge Control Module U1282 Lost communication with Driver's MICU Are DTC U0155 or U1282 indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- Open wire check (B-CAN_H, B-CAN_L line)
- 1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the receiving control unit connector.
Parking and back-up sensor control unit 24P connector - 3. Disconnect the transmitting control unit connectors.
Gauge control module 32P connector Power window master switch 37P connector - 4. Check for continuity between the receiving control unit and the transmitting control unit on the B-CAN_H circuit and the B-CAN_L circuit as specified in the table while in the vehicle OFF (LOCK) mode.
Is there continuity?
YES
The B-CAN_L to B-CAN_H wire is OK. Go to step 3.
NO
Repair an open or high resistance in the B-CAN_H and/or B-CAN_L wire (S) between the receiving control unit and the transmitting control unit.
- Determine possible failure area (the receiving control unit or the transmitting control unit)
- 1. Reconnect all connectors.
- 2. Turn the vehicle to the ON mode.
- 3. Clear the DTCs with the HDS.
Clear DTCs
- 4. Check for DTCs with the HDS.
DTC Description DTC U0155 Lost communication with Gauge Control Module U1282 Lost communication with Driver's MICU Are DTC U0155 and U1282 indicated?
YES
Check for loose terminals and poor connections in the parking and back-up sensor control unit connector. Check is OK, Parking and Back-Up Sensor Control Unit .
NO
The parking and back-up sensor control unit is OK at this time. Update or replace the transmitting control unit. (Refer to the DTC code shown on the display, and then update or replace the control unit based on the instructions in the table below.)
DTC TRANSMITTING CONTROL UNIT U0155 Lost communication with Gauge Control Module Replace the Gauge Control Module U1282 Lost communication with Driver's MICU Update the MICU or replace the MICU Under-Dash Fuse/Relay Box