U1221

DTC U1221 CAN-HS ECM NO-RECEIVE DATA

DTC DETECTING CONDITION:
Not received error data from ECM. (If error is in the main harness, DTC P0600 CAN communication link is input simultaneously.)

NOTE: When more than two DTCs are displayed. DTC List - B and U Codes

TROUBLE SYMPTOM:
- Malfunction indicator light illuminates.
- "Er HC" is displayed in odo/trip meter.
- P1718 (TCM) and C0057 (VDCCM) are output.

WIRING DIAGRAM:

Wiring Diagram:

Step 1:

Step 2-9: