Engine-CodesChevrolet – P07C0 2019 Chevrolet Silverado

P07C0 2019 Chevrolet Silverado Code - Transmission Input Speed Sensor Circuit High Voltage

Quick Answer

The P07C0 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates a problem with the transmission input speed sensor circuit registering high voltage. Common causes include Faulty transmission input speed sensor, Wiring issues or shorts in the sensor circuit, Malfunctioning TCM. 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
P07C0 2019 Chevrolet Silverado indicates Transmission Input Speed Sensor Circuit High Voltage.
Common causes
Common causes include Faulty transmission input speed sensor, Wiring issues or shorts in the sensor circuit, Malfunctioning TCM.
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.
Table of contents Created and updated by William Orellana on Jun 01, 2026
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Code P07C0 2019 Chevrolet Silverado Description

The P07C0 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates a problem with the transmission input speed sensor circuit registering high voltage. The transmission input speed sensor is a crucial component that monitors the speed of the input shaft into the transmission. This information is essential for the transmission control module (TCM) to determine the appropriate shift points and ensure smooth operation of the transmission.

OBDII Code P07C0 2019 Chevrolet Silverado - Transmission Input Speed Sensor Circuit High Voltage
P07C0 2019 Chevrolet Silverado Code - Transmission Input Speed Sensor Circuit High Voltage

Common Causes of P07C0 2019 Chevrolet Silverado

  1. Faulty transmission input speed sensor
  2. Wiring issues or shorts in the sensor circuit
  3. Malfunctioning TCM
  4. Internal transmission problems
  5. Corrosion or damage to sensor connectors

Symptoms of P07C0 2019 Chevrolet Silverado

  1. Erratic shifting behavior
  2. Harsh or delayed transmission shifts
  3. Transmission slipping
  4. Illumination of the Check Engine Light
  5. Reduced fuel efficiency

How to Fix P07C0 2019 Chevrolet Silverado

  1. Begin by conducting a thorough diagnostic scan to confirm the P07C0 code and identify the specific cause of the high voltage in the input speed sensor circuit.
  2. Inspect the wiring harness and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the transmission input speed sensor using a multimeter to determine if it is functioning within the specified parameters. Replace the sensor if it is faulty.
  4. Check the TCM for any faults or malfunctions that may be causing the high voltage issue. Repair or replace the TCM as needed.
  5. Clear the DTC and test drive the vehicle to ensure that the transmission is operating correctly and that the code does not return.

Cost to Fix P07C0 2019 Chevrolet Silverado

The typical repair costs for addressing a transmission input speed sensor circuit high voltage issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of parts for a new input speed sensor can range from $50 to $150, while labor costs can range from $100 to $200. Overall, the total repair cost for this issue may fall between $150 and $350. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at auto repair shops. It's recommended to obtain quotes from local shops for a more accurate cost estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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