Nissan DTC P1706 – Park/Neutral Position (PNP) Switch
DTC P1706 meaning on Nissan
DTC P1706 for Nissan refers to the Park/Neutral Position (PNP) Switch circuit malfunction. This diagnostic trouble code indicates an issue with the switch that detects whether the transmission is in the park or neutral position.
Nissan DTC P1706 symptoms
- Difficulty starting the vehicle
- Inability to shift out of park
- Intermittent stalling of the engine
- Check Engine Light illuminated on the dashboard
Nissan DTC P1706 causes
- Faulty Park/Neutral Position (PNP) Switch
- Wiring issues in the PNP Switch circuit
- Corrosion or poor connections in the switch or wiring
- Defective Transmission Control Module (TCM)
Nissan DTC P1706 seriousness
The DTC P1706 on a Nissan should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in the vehicle not starting or being stuck in a gear, posing a risk to the driver and others on the road.
How to diagnose DTC P1706 on Nissan
- Use a diagnostic scanner to retrieve the trouble codes stored in the vehicle’s computer.
- Inspect the Park/Neutral Position (PNP) Switch and its wiring for any visible damage or corrosion.
- Test the continuity and functionality of the PNP Switch using a multimeter.
- Check for any loose connections or short circuits in the circuit.
- If necessary, perform a thorough inspection of the Transmission Control Module (TCM) for any faults.
How to fix DTC P1706 on Nissan
- Replace the faulty Park/Neutral Position (PNP) Switch if it is found to be defective.
- Repair or replace any damaged wiring in the PNP Switch circuit.
- Clean any corrosion from the switch or wiring connections.
- If the Transmission Control Module (TCM) is faulty, it may need to be replaced or reprogrammed.
How to erase DTC P1706 on Nissan
- After completing the necessary repairs, use a diagnostic scanner to clear the trouble codes stored in the vehicle’s computer.
- Ensure that the repairs have addressed the root cause of the issue to prevent the code from reoccurring.
Recommended tools for Nissan diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.