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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 252 (On-Board Diagnostic - AWD System) >> DTC U0401:68 Abnormal Message From Pcm [AWD Control Module] >> Notes

DTC U0401:68 Abnormal Message From Pcm [AWD Control Module]: Notes

WARNING: This page is about a different car, the 2025 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0401:68 (AWD CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0401:68 Abnormal message from PCM
DETECTION CONDITION
  • Correct data cannot be received from PCM
FAIL-SAFE FUNCTION
  • Control disabled.
POSSIBLE CAUSE
  • PCM malfunction
  • AWD control module malfunction
SYSTEM WIRING DIAGRAM Not applicable