F-CAN Circuit Troubleshooting
  1. Check for continuity between EPS control unit connector D (28P) terminal No. 15 and body ground.
Is there continuity?
YES -
Go to Step 21 .
NO -
Repair open in the wire between the EPS control unit and ECM connector No. 2 terminal No. 48.■
  1. Reconnect the gauge control module (tach) 36P connector.