P0717 Mercury Code - Input/Turbine Speed Sensor Circuit No Signal
Quick Answer
The P0717 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the Input/Turbine Speed Sensor Circuit, specifically a lack of signal being received by the engine control module (ECM) or powertrain control module (PCM). Common causes include Faulty input/turbine speed sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting sensor operation. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0717 Mercury indicates Input/Turbine Speed Sensor Circuit No Signal.
- Common causes
- Common causes include Faulty input/turbine speed sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting sensor operation.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0717 Mercury Description
The P0717 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the Input/Turbine Speed Sensor Circuit, specifically a lack of signal being received by the engine control module (ECM) or powertrain control module (PCM). This sensor is responsible for monitoring the speed of the transmission input shaft and turbine shaft, providing crucial data for the transmission to shift gears effectively. When the ECM or PCM does not receive a signal from the sensor, it can lead to erratic shifting, transmission slippage, and overall poor vehicle performance.
Common Causes of P0717 Mercury
- Faulty input/turbine speed sensor
- Damaged wiring or connectors in the sensor circuit
- Corrosion or debris affecting sensor operation
- ECM/PCM malfunction
- Transmission fluid contamination or low fluid level
Symptoms of P0717 Mercury
- Erratic shifting or delayed gear changes
- Transmission slippage
- Harsh shifting
- Vehicle going into "limp mode"
- Check Engine Light illuminated
How to Fix P0717 Mercury
- Begin by connecting a diagnostic scanner to retrieve the trouble codes and confirm P0717 for the Input/Turbine Speed Sensor Circuit No Signal.
- Inspect the wiring and connectors associated with the speed sensor for any damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the input/turbine speed sensor for proper operation using a multimeter or oscilloscope. Replace the sensor if it fails to generate a signal.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved and that the transmission shifts correctly.
- If the problem persists, further diagnostics may be needed to identify any underlying ECM/PCM issues or transmission problems.
Cost to Fix P0717 Mercury
The cost to repair the Input/Turbine Speed Sensor Circuit No Signal code (P0717) for a Mercury vehicle can vary depending on the specific model and year. On average, the parts for this repair, including a new speed sensor and any necessary wiring components, may range from $100 to $300. Labor costs can add an additional $100 to $200, with total repair costs typically falling between $200 and $500.
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