P1729 FORD 4×4 Low Switch Error FORD Technical Service Bulletins for P1729 code 1999 FORD CROWN VICTORIA UNKNOWN OR OTHER 1999 FORD ECONOLINE UNKNOWN OR OTHER 2000 FORD CROWN VICTORIA UNKNOWN OR OTHER Post navigation ← P1740 FORD Transmission system problemsP1704 FORD Transmission system problems → Search for: Categories OBD II Codes FAQs OBD II Wiki OBDII Body(B) Codes OBDII Chassis(C) Codes OBDII Network(U) Codes OBDII Powertrain(P) Codes Pages OBD2 (B0001-B2800) OBD2 (C0001-C3000) OBD2 (P0001-P0999) OBD2 (P1000-P2000) OBD2 (P2001-P3500) OBD2 (U0001-U2500) Vehicleacura AUDI BMW buick cadillac chevrolet chrysler dodge ford gmc honda hummer hyundai infiniti ISUZU JAGUAR jeep kia lexus MAZDA MITSUBISHI nissan P0101 P0102 P0122 P0123 P0171 P0174 P0302 P0303 P0304 P0305 P0306 P0335 P0340 P0720 P1111 pontiac saturn scion SUBARU SUZUKI toyota VOLKSWAGEN VOLVO