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Home >> Mazda >> 2022 >> CX-9 Signature >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic - Rear One-Touch Walk-In Control Module >> DTC B139D-24: Walk-In Switch (LH) Is Stuck On [Rear One-Touch Walk-In Control Module] >> Notes
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DTC B139D-24: Walk-In Switch (LH) Is Stuck On [Rear One-Touch Walk-In Control Module]: Notes

DTC B139D:24 [REAR ONE-TOUCH WALK-IN CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

Description Walk-in switch (LH) circuit malfunction
Detection condition
  • Rear one-touch walk-in control module detects the walk-in switch (LH) is stuck on.
Fail-safe
  • Inhibits the rear one-touch walk-in operation function from being driven for the second-row seat (LH).
Possible cause
  • Rear one-touch walk-in control module connector or terminal malfunction
  • Short to ground in wiring harness between rear one-touch walk-in control module terminal 2K and walk-in switch (LH)
  • Walk-in switch (LH) malfunction
  • Rear one-touch walk-in control module malfunction
G13700680Courtesy of MAZDA MOTORS CORP.