DTC U0422:68 [INSTRUMENT CLUSTER]


id0902e8950800

System malfunction location

Error signal received from front body control module (FBCM)

Detection condition
•  The instrument cluster receives error signals from the front body control module (FBCM) for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe
Possible cause
•  DTCs are stored in the front body control module (FBCM).
•  Instrument cluster malfunction
System wiring diagram

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY INSTRUMENT CLUSTER DTCs
•  Perform the DTC inspection for the instrument cluster using the M-MDS.
•  Is the DTC displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
2
VERIFY FRONT BODY CONTROL MODULE (FBCM) DTCs
•  Perform the DTC inspection for the front body control module (FBCM) using the M-MDS.
•  Is the DTC displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear DTC for the instrument cluster using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 20 s or more.
•  Perform the DTC inspection for the instrument cluster using the M-MDS.
•  Is the DTC U0422:68 displayed?
Yes
Replace the instrument cluster, then go to the next step.
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.