P1729
4x4 Low Switch Error
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Inability to enable 4x4 Low mode
- Four-wheel drive indicator flashing
- Spontaneous mode switching
- Loss of power off-road
- Error message on the dashboard
Causes
- 4x4 Low switch faulty
- Open or short circuit in the circuit
- Poor contact in connectors
- Problems with the four-wheel drive control module
- Mechanical damage to drive elements
How to Fix
- Check the status of the 4x4 Low switch
- Test circuit and connection integrity
- Clean connector contacts
- Check the functionality of the control module
- If necessary, replace the switch or repair the wiring