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Home >> Mazda >> 2024 >> CX-50 S Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (On-Board Diagnostic - Power Liftgate (PLG) Control Module) >> DTC U300A:62 [Power Liftgate (PLG) Control Module] >> Notes

DTC U300A:62 [Power Liftgate (PLG) Control Module]: Notes

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DTC U300A:62 (POWER LIFTGATE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description IG1 relay circuit malfunction
Detection condition
  • Any of the following conditions is met.
    • Power liftgate (PLG) control module detects an open circuit or short to ground in IG1 relay circuit for 5s or more with the ignition switched ON (engine off or on).
    • Power liftgate (PLG) control module detects a short to power supply in IG1 relay circuit for 1s or more with the ignition switched off.
Fail-safe
  • Stops the power liftgate (PLG) system operation.
Possible cause
  • IG1 relay malfunction
  • Short to ground in wiring harness between MAIN 200 A fuse and IG1 relay terminal D
  • Open circuit in wiring harness between battery positive terminal and IG1 relay terminal D
  • Power liftgate (PLG) control module connector or terminal malfunction
  • Wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD malfunction
    • Short to ground in wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD
    • C/U IG1 15 A fuse malfunction
  • Short to power supply in wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD
  • Open circuit in wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD
  • Power liftgate (PLG) control module malfunction
G16332602Courtesy of MAZDA MOTORS CORP.