LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Power Liftgate Control Module >> DTC B1453-02: Power Liftgate (Plug) Latch Switch Circuit Malfunction [Power Liftgate (Plug) Control Module] >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1453-02: Power Liftgate (Plug) Latch Switch Circuit Malfunction [Power Liftgate (Plug) Control Module]: Notes

DTC B1453:02 (POWER LIFTGATE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description Power liftgate (PLUG) latch switch circuit malfunction
Detection condition
  • The power liftgate (PLUG) control module detected the following condition.
    • The voltage input to the half latch switch does not change while the power liftgate (PLUG) system is operating.
      • The voltage input to the full latch switch does not change while the power liftgate (PLUG) system is operating.
Fail-safe
  • Stops the power liftgate (PLUG) system operation.
Possible cause
  • Power liftgate (PLUG) latch switch connector or terminal malfunction
  • Open circuit in wiring harness between power liftgate (PLUG) latch switch terminal C and body ground
  • Power liftgate (PLUG) control module connector or terminal malfunction
  • Short to ground in wiring harness between the following terminals:
    • Power liftgate (PLUG) latch switch terminal B-Power liftgate (PLUG) control module terminal 1Q
      • Power liftgate (PLUG) latch switch terminal D-Power liftgate (PLUG) control module terminal 1O
  • Short to power supply in wiring harness between the following terminals:
    • Power liftgate (PLUG) latch switch terminal B-Power liftgate (PLUG) control module terminal 1Q
      • Power liftgate (PLUG) latch switch terminal D-Power liftgate (PLUG) control module terminal 1O
  • Open circuit in wiring harness between the following terminals:
    • Power liftgate (PLUG) latch switch terminal B-Power liftgate (PLUG) control module terminal 1Q
      • Power liftgate (PLUG) latch switch terminal D-Power liftgate (PLUG) control module terminal 1O
  • Power liftgate (PLUG) latch switch malfunction
  • Power liftgate (PLUG) control module malfunction
G13447265Courtesy of MAZDA MOTORS CORP.