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Home >> Mazda >> 2021 >> CX-5 Sport, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (On-Board Diagnostic - Automatic Transaxle (GW6A-El, GW6AX-El)) >> DTC U0442-00: Invalid Data Received From Pcm (Local Can Between TCM And Pcm) >> Notes

DTC U0442-00: Invalid Data Received From Pcm (Local Can Between TCM And Pcm): Notes

WARNING: This page is about a different variant/trim than selected.
DTC U0442:00 DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0442:00 Invalid data received from PCM (local CAN between TCM and PCM)
DETECTION CONDITION
  • Under the following condition, the TCM detects the invalid PCM signal for 0.5 s:
    • Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
  • Set to TCC control.
  • Inhibits learning control.
  • Inhibits manual mode.
  • Inhibits neutral idle control.
  • Inhibits 5GR and 6GR.
  • Inhibits shift down when the accelerator pedal is depressed.
POSSIBLE CAUSE
  • PCM DTC is stored.
SYSTEM WIRING DIAGRAM Not applicable
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