P1702

Symptoms

• Check Engine light comes on
• Car will not start in 'P' or 'N' position
• Incorrect display of the current gear on the instrument panel
• Transmission shifts incorrectly
• The car can start in any selector position

Causes

• Gear selector position sensor malfunction
• Open or short circuit in the sensor circuit
• Poor contact in circuit connectors
• Mechanical problems with the selector cable
• Transmission control module (TCM) malfunction

How to Fix

1. Check the condition of the gear selector position sensor
2. Check the integrity of the wiring and connectors in the circuit
3. Check the mechanical connection between the selector lever and the gearbox
4. Read sensor parameters using a diagnostic scanner
5. If necessary, replace the position sensor or repair the wiring

Related codes

Error P1702 by Vehicle Brand