Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2018 >> CX-5 Touring, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (3 Of 3) >> DTC U0074-00: Can System Communication Error (Local Can Between Pcm And TCM) >> Notes

DTC U0074-00: Can System Communication Error (Local Can Between Pcm And TCM): Notes

DTC U0074:00 PCM (SKYACTIV-G 2.5 - WITH CYLINDER DEACTIVATION) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0074:00 CAN System Communication Error (Local CAN Between PCM And TCM)
DETECTION CONDITION
  • Malfunction in CAN bus communication line.

Diagnostic support note
  • This is a continuous monitor (other).
  • The check engine light does not illuminate.
  • FREEZE FRAME DATA is not available.
  • Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Not applicable
POSSIBLE CAUSE
  • CAN communication line malfunction between PCM and TCM (local CAN between PCM and TCM)
    • TCM terminal G-PCM terminal 1A
      • TCM terminal H-PCM terminal 1B
  • TCM DTC is stored.
  • PCM malfunction
  • TCM malfunction
G12187907