DTC U0401-68 (77-01) (SH-AWD Control Unit): Notes

DTC U0401-68 : Invalid Data Received From Powertrain Control Module (PCM)

How To Use This Service Information .

NOTE:

Before you troubleshoot, review the How to Troubleshoot .
Troubleshoot the following DTCs first, if stored at the same time.
- PGM-FI System DTCs - Refer to: