P1715 – OBD-II DTC

OBD-II DTC P1715 – PNP Switch Out Of Self Test Range

DTC P1715 meaning

DTC P1715 refers to a diagnostic trouble code indicating that the Powertrain Control Module (PCM) has detected an issue with the Park Neutral Position (PNP) switch. Specifically, it means that the PNP switch is out of the self-test range during the vehicle’s self-diagnostic process. The PNP switch is crucial for ensuring that the vehicle can only be started in the park or neutral positions, preventing unintended movement.

DTC P1715 symptoms

Common symptoms associated with DTC P1715 may include:

• Engine not starting
• Transmission not shifting properly
• Check Engine Light illuminated
• Inability to shift into gear
• Unusual transmission behavior

DTC P1715 causes

Several factors can lead to the triggering of DTC P1715, including:

• Faulty PNP switch
• Wiring issues or damaged connectors related to the PNP switch
• Faulty PCM
• Improperly adjusted or misaligned PNP switch
• Corrosion or dirt affecting electrical connections

DTC P1715 seriousness

DTC P1715 can be considered serious as it may prevent the vehicle from starting or shifting properly. This can lead to safety concerns, especially if the vehicle cannot be moved or if it unexpectedly shifts gears. It is advisable to address this issue promptly to ensure safe vehicle operation.

How to diagnose DTC P1715

To diagnose DTC P1715, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the P1715 code.
2. Inspect the PNP switch and its wiring for any visible damage or disconnections.
3. Check the electrical connections for corrosion or dirt.
4. Test the PNP switch using a multimeter to ensure it operates within specifications.
5. Verify the PCM functionality and check for any additional trouble codes.

How to fix DTC P1715 step-by-step instructions

To fix DTC P1715, follow these steps:

1. Repair or replace any damaged wiring or connectors related to the PNP switch.
2. If the PNP switch is faulty, replace it with a new one.
3. Ensure the PNP switch is properly adjusted and aligned according to manufacturer specifications.
4. Clean any corrosion or dirt from electrical connections.
5. Clear the DTC using an OBD-II scanner and test drive the vehicle to see if the code returns.

How to erase DTC P1715

To erase DTC P1715, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the scanner’s menu and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not return.

Recommended tools for OBD-II 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.