Body, generic

B0247 Passenger Window Switch Circuit

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

B0247 is listed in none of the publicly available J2012 sources and no carmaker publishes it; passenger window circuit faults have the code B0501. The passenger switch is the simpler partner of the driver's master block: it moves only its own window, and the master can override it or lock it out. In Honda's US7145299B2 the passenger door unit keeps its own up and down buttons wired across its drive transistors, so they still work while the master line is idle; should the master command up while the local down button is pressed, a relay lifts one motor terminal off ground. A circuit code therefore points to the passenger switch, its plug in the door or the line to the master. FMVSS 118 restricts when such a window may move without the ignition key.

Likely causes

Passenger window switch worn or contaminated
Signal line between passenger door and master switch broken at the door hinge
Window lock button on the master stuck or its circuit faulty

Symptoms

  • Passenger window works from the driver's switch but not from its own
  • Passenger switch moves the window only in one direction

Repair estimate

DifficultyEasyDIY possible
Parts and labour€25–200
Time0.5–1.5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

window switchdoor wiring harness

Related codes

B0245B0501

References: patents.google.com, law.cornell.edu.