DTC Troubleshooting: 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 .

NOTICE: 

• Before you troubleshoot, review the How to Troubleshoot .
• Troubleshoot the following DTCs first, if stored at the same time.
• • -

    PGM-FI System [PGM-FI]: Go to the indicated DTC's troubleshooting - Refer to: Fuel and Emissions Systems DTC Troubleshooting Index (3.0L Engine (USA/Canada models)) (2025) or Fuel and Emissions Systems DTC Troubleshooting Index (3.5L Engine (USA/Canada models)) (2022 2023 2024) or Fuel and Emissions Systems DTC Troubleshooting Index (3.0L Engine (USA/Canada models)) (2022 2023 2024) or Fuel and Emissions Systems DTC Troubleshooting Index (3.5L Engine (USA/Canada models)) (2025) .