P1702
Transmission Range Circuit Failure
P1702 is an OBD-II diagnostic trouble code meaning: Transmission Range Circuit Failure. Common causes: gear selector position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–89.
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
- Check the condition of the gear selector position sensor
- Check the integrity of the wiring and connectors in the circuit
- Check the mechanical connection between the selector lever and the gearbox
- Read sensor parameters using a diagnostic scanner
- If necessary, replace the position sensor or repair the wiring
Related codes
Error P1702 by Vehicle Brand
FAQ
What does the P1702 code mean?
P1702 is an OBD-II diagnostic trouble code that indicates: Transmission Range Circuit Failure
What causes a P1702 error code?
The most common causes of P1702 include: Gear selector position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in circuit connectors; Mechanical problems with the selector cable.
How do I fix a P1702 diagnostic trouble code?
To fix P1702: Check the condition of the gear selector position sensor. Check the integrity of the wiring and connectors in the circuit. Check the mechanical connection between the selector lever and the gearbox. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1702?
Do not drive — repair immediately
How much does it cost to fix P1702?
The estimated repair cost for P1702 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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