DTC U121A Can-HS Meter Unit Data Abnormal: Trouble Symptom
Display of combination meter does not operate properly.
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. Using the Subaru Select Monitor, read all DTCs. |
Is there DTC other than CAN system? | Perform the diagnosis according to DTCs for other control modules. | Go to step 2 . |
| 2 CHECK DTC. Check DTC indicated in CAN system. |
Is U121A a current malfunction? | Go to step 3 . | Go to step 4 . |
| 3 CHECK DTC. Turn the ignition switch to OFF, and read the DTC again. |
Is U121A a current malfunction? | Replace the combination meter. Refer to REMOVAL . | Go to step 4 . |
4 CHECK COMBINATION METER.
|
Is the displayed DTC other than U121A? | Go to step 5 . | Replace the combination meter. Refer to REMOVAL . |
5 CHECK COMBINATION METER.
|
Is there any fault? | Perform the diagnosis according to the inspection of the combination meter. | Replace the body integrated unit. Refer to REMOVAL . |