DTC P0707 is an OBD-II trouble code that specifically points to a problem within the Transmission Range Sensor Circuit, indicating a low input signal. This code is logged when the Powertrain Control Module (PCM) detects an abnormally low voltage signal from the transmission range sensor.

1. What does P0707 code mean?

DTC P0707 signifies that the signal received from the transmission range sensor is registering at a lower voltage than the expected parameters. This issue affects the correct operation of the transmission range sensor circuit.

2. What are the causes of DTC P0707?

Potential causes of DTC P0707 include:

• Faulty Transmission Range Sensor: A malfunctioning or damaged transmission range sensor.
• Wiring or Connector Issues: Corrosion, breaks, or disconnection in the wiring harness or connectors associated with the transmission range sensor.
• Sensor Misalignment: Incorrect alignment or mounting of the transmission range sensor.

3. What are the symptoms of DTC P0707?

Symptoms related to DTC P0707 may include:

• Check Engine Light: Illumination of the Check Engine Light due to the detected low input signal issue.
• Incorrect Gear Position Display: Incorrect gear indication on the dashboard or instrument cluster.
• Transmission Problems: Issues with gear shifting, such as erratic shifting, failure to engage the correct gear, or transmission slipping.

4. How to diagnose DTC P0707?

Diagnosing DTC P0707 typically involves the following steps:

• OBD-II Scan: Utilize an OBD-II scanner to retrieve the trouble code and associated data.
• Visual Inspection: Examine the transmission range sensor, wiring, and connectors for physical damage, corrosion, or disconnection.
• Sensor Alignment Check: Verify correct alignment and mounting of the transmission range sensor.
• Circuit Testing: Use a multimeter to test voltage, resistance, and continuity within the Transmission Range Sensor Circuit.

5. How to fix DTC P0707 problem?

Steps to address DTC P0707 may include:

• Repair or Replace Faulty Components: Repair or replace damaged wiring, connectors, or a malfunctioning transmission range sensor identified during inspection.
• Clear Codes: After resolving the issue, clear the trouble codes using an OBD-II scanner to reset the Check Engine Light.
• Professional Assistance: Seek help from a certified mechanic for complex sensor or wiring issues or for further diagnosis and repair.

Conclusion

DTC P0707, indicating a low input signal within the Transmission Range Sensor Circuit, requires a thorough inspection of the sensor, wiring, and connectors to rectify the issue and ensure proper gear indication and transmission operation.