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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (On-Board Diagnostic - Advanced Keyless Entry System) >> DTC B11C4-23: Request Switch (Liftgate) Circuit Malfunction >> Notes

DTC B11C4-23: Request Switch (Liftgate) Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
Description Request switch (liftgate) circuit malfunction
Detection condition 
  • Start stop unit detected any of the following conditions at a vehicle speed of 5 km/h {3 mph} or more. 
    • The request switch (liftgate) is continuously ON for 2 min or more. 
    • The request switch (liftgate) was ON 7 times  before the vehicle speed decreased to less than 5 km/h {3 mph}. 
Fail-safe  Not applicable
Possible cause 
  • Request switch (liftgate) connector or terminal malfunction
  • LF control unit connector or terminal malfunction
  • Short to ground in wiring harness between LF control unit terminal E and request switch (liftgate) terminal C
  • Request switch (liftgate) malfunction
  • LF control unit malfunction
  • Start stop unit malfunction
G10913840