U0155 Lost communication with clucter/ccn

U0155 code

When monitored U0155 code:

- Continuously when the ignition is on.

- The battery voltage is between 10 and 16 volts.

- Ignition off draw (IOD) fuse installed.

- Totally integrated power module (TIPM) is configurated correctly.

Set condition U0155 code the Bus message not received from the intrument cluster (CCN) for approximately two to five seconds.

Possible cause U0155 code:

- Can bus circuits open or shorted 

- DTCs related to battery voltage, ignition, or vin messages

- Instrument cluster power and ground

- TIPM not configured correctly

- Instrument cluster (CCN)

- Module that set this DTC

Diagnostic test U0155 code

Verify the diagnostic trouble code (DTC) is active

Make sure the IOD fuse is installed and the battery is fully charged before proceeding. Turn the ignition on. With the scan tool, read active DTCs.

Is this DTC active ?

Yes, refer to totally integrated power (TIPM) diagnosis and testing and perform the U0155 lost communication with cluster/ccn diagnostic procedure.

No, refer to non DTC diagnostics/communication diagnosis and testing and perform the stored lost communication DTCs diagnostic procedure.

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