OBD-II DTC P1712 – High Vehicle Speed Observed in Park
DTC P1712 meaning
DTC P1712 indicates that the vehicle’s onboard diagnostic system has detected a high vehicle speed while the transmission is in the park position. This code suggests a discrepancy between the vehicle’s speed sensor readings and the expected behavior of the transmission system.
DTC P1712 symptoms
Common symptoms associated with DTC P1712 may include:
- Illuminated check engine light
- Transmission not engaging properly
- Unusual shifting patterns
- Vehicle speedometer malfunction
- Potential stalling or hesitation during acceleration
DTC P1712 causes
Several factors can lead to the triggering of DTC P1712, including:
- Faulty vehicle speed sensor
- Wiring issues or poor connections in the speed sensor circuit
- Transmission control module (TCM) malfunction
- Incorrectly calibrated transmission
- Mechanical issues within the transmission
DTC P1712 seriousness
DTC P1712 is considered a moderate to serious issue. While it may not immediately affect the vehicle’s drivability, it can lead to further transmission problems if not addressed. Ignoring this code may result in more severe damage to the transmission system, potentially leading to costly repairs.
How to diagnose DTC P1712
To diagnose DTC P1712, follow these steps:
- Use an OBD-II scanner to confirm the presence of the P1712 code.
- Check for any additional trouble codes that may provide more context.
- Inspect the vehicle speed sensor and its wiring for damage or disconnections.
- Test the vehicle speed sensor using a multimeter to ensure it is functioning correctly.
- Examine the transmission control module for any signs of malfunction.
- Perform a road test to monitor the vehicle’s behavior and speed readings.
How to fix DTC P1712 step-by-step instructions
To fix DTC P1712, follow these steps:
- Repair or replace any damaged wiring or connectors related to the vehicle speed sensor.
- If the vehicle speed sensor is faulty, replace it with a new one.
- Recalibrate the transmission control module if necessary.
- Check for any mechanical issues within the transmission and address them accordingly.
- Clear the DTC using an OBD-II scanner and perform a test drive to ensure the issue is resolved.
How to erase DTC P1712
To erase DTC P1712, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn on the ignition without starting the engine.
- Navigate to the “Erase Codes” or “Clear Codes” option on the scanner.
- Confirm the action to clear the trouble codes.
- Disconnect the scanner and start the vehicle to check if the code reappears.
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.