P1797 – Mazda DTC

Mazda DTC P1797 – P/N Switch Open or Short Circuit

DTC P1797 meaning on Mazda

DTC P1797 for Mazda refers to the “P/N Switch Open or Short Circuit” error code. This diagnostic trouble code indicates an issue with the Park/Neutral (P/N) switch circuit in the vehicle.

Mazda DTC P1797 symptoms

Symptoms of DTC P1797 on a Mazda may include:

• Difficulty starting the vehicle
• Inability to shift out of Park
• Intermittent stalling of the engine
• Check Engine Light illuminated on the dashboard

Mazda DTC P1797 causes

Common causes of DTC P1797 on a Mazda include:

• Faulty Park/Neutral (P/N) switch
• Open or short circuit in the wiring related to the P/N switch
• Corrosion or poor connections in the switch circuit

Mazda DTC P1797 seriousness

The seriousness of DTC P1797 on a Mazda depends on the extent of the issue. Ignoring this code can lead to drivability problems and potential safety concerns. It is recommended to address this issue promptly.

How to diagnose DTC P1797 on Mazda

To diagnose DTC P1797 on a Mazda, follow these steps:

1. Use a diagnostic scanner to retrieve the trouble codes.
2. Inspect the Park/Neutral (P/N) switch for any visible damage or corrosion.
3. Check the wiring and connectors associated with the P/N switch for continuity and proper connections.
4. Perform a circuit test to identify any open or short circuits.

How to fix DTC P1797 on Mazda

To fix DTC P1797 on a Mazda, consider the following:

1. Replace the faulty Park/Neutral (P/N) switch if necessary.
2. Repair any damaged wiring or connectors in the P/N switch circuit.
3. Clean any corrosion from the connections and ensure proper contact.
4. Clear the trouble codes using a diagnostic scanner after the repairs are completed.

How to erase DTC P1797 on Mazda

To erase DTC P1797 on a Mazda:

1. Use a diagnostic scanner to access the vehicle’s onboard computer system.
2. Select the option to clear the trouble codes stored in the system.
3. Follow the prompts on the scanner to confirm the deletion of the DTC P1797 code.
4. Verify that the code has been successfully erased by rescanning the system.

Recommended tools for Mazda 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.