Perform a diagnostic scan to confirm the P1729 code and identify the specific cause of the 4x4 low switch error. Inspect the wiring harness and connections for any signs of damage or corrosion, and repair or replace as needed. Test the 4x4 low switch and transfer case actuator for proper functioning, replacing any faulty components.

2019年9月12日 · How to Fix the DTC P1729? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins …

If the Step motor ON/OFF status does not match the TCM requested ON/OFF status for the period of 200 msec the DTC will set. It takes two consecutive problem identification trips to illuminate the MIL.

The P1729 Ford code indicates a 4x4 Low Switch Error, which means that there is a problem with the switch that controls the engagement of the vehicle's 4-wheel drive low mode. In vehicles equipped with 4-wheel drive systems, the low mode is used for extreme off-road conditions or when extra traction is needed, such as when climbing steep hills ...

2004年12月30日 · Excursion - King of SUVs - p1729 low 4x4 error code - I know the OBDII code def. gives several different scenarios for this code= eg. bad circuit/pcm or faulty switch. Problem only present in open loop status, once warm no problem.

2019年12月31日 · P1729-TRANSMISSION RATIO CONTROL CIRCUIT For a complete wiring diagram, refer to the Wiring Information. The Transmission Control Module monitors and controls the gear ratio by the use of a Step motor that transfers electrical power to mechanical movement. The rationality is a continuous test that monitors the Step motor movement.

The fault code P1729 can be caused by the following: a faulty 4×4 Low Switch Error, an open or shorted harness for the 4×4 Low Switch Error, and a poor electrical connection in the circuit for the 4×4 Low Switch Error. Fixing Code P1729: Simple Steps To Resolve The Issue

Home FordP1729 Ford DTC P1729 Make: Ford Code: P1729 Definition: 4 x 4 Low Switch Circuit Malfunction Description: Engine started and the PCM detected the 4x4 switch did not go low after the switch was on. Cause: Speedometer out of calibration; 4x4L wiring harness is open or shorted, 4x4L switch is damaged or has failed

¿Qué significa el código DTC P1729? El código de falla P1729 se refiere a un error en el interruptor 4x4 bajo de nuestro vehículo. Este código indica que hay un problema en el sistema de tracción en las cuatro ruedas, específicamente en la posición de baja velocidad.

2020年11月26日 · InCarDoc returned confirmed codes P0273 (injector 5) and P1729 (irregular rotation) as well as a transmission control icon indicating "General powertrain error, fuel and air metering". Subsequent checks with ISTA returned Hex 004924 (DDE injector, cylinder 5 activation) and 004F6F (High irregular rotation) but no powertrain errors.