U0155 Lost Communication With Cluster/CCN (In ORC/SRS Module)
U0155 code - When monitored this DTC with the ignition on, battery voltage between 10 and 16 volts, ignition Off Draw (IOD) fused installed, Totaly Integrated Power Module (TIPM) is configured correctly. Set condition this DTC if the Occupant Restraint Controller (ORC) BUS messages not received the cluster/CCN for approximately two to five seconds.
Possible causes U0155 code:
- CAN C Bus (+) circuit shorted to voltage
- CAN C Bus (-) circuit shorted to ground
- DTCa related to battery voltage, ignition, or VIN messages
- TIPM not configured correctly
- Cluster/CCN power and ground
- Cluster/CCN
- Occupant Restraint Controller (ORC)
Diagnostic test U0155 code
Verify diagnostic trouble code is active
Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. Turn the ignition on, with the scan tool read ORC DTCs.
Is the U0155 code active?
Yes, refer to DTC in the site TIPM DTC and perform the U0155 code diagnostic procedure.
No, refer to Non DTC diagnostic in the site and perform the stored lost communication DTCs diagnostic procedure.
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