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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 138 (On-Board Diagnostic - Front Body Control Module (FBCM)) >> DTC U1007-68; Communication Error With Current Sensor >> Notes
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DTC U1007-68; Communication Error With Current Sensor: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE

Description Communication error with current sensor
Detection condition
  • Front body control module (FBCM) could not receive signals from the current sensor for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe function Not applicable
Possible cause
  • Current sensor connector or terminal malfunction
  • Current sensor power supply circuit malfunction
    • Short to ground in wiring harness between ENG+B 7.5 A fuse and current sensor terminal A
    • ENG+B 7.5 A fuse malfunction
    • MAIN 200 A fuse malfunction
      • Open circuit in wiring harness between battery positive terminal and current sensor terminal A
  • Front body control module (FBCM) connector or terminal malfunction
  • Short to ground in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E
  • Open circuit in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E
  • Current sensor malfunction
  • Front body control module (FBCM) malfunction
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