AutoCodes – Scion – P07C0 Scion

P07C0 Scion Code - Input / Turbine Speed Sensor 'A' Circuit High

Quick Answer

The Input Speed sensor detects the rotation speed of the turbine which indicates the input speed of the transaxle. Common causes include Faulty Transmission Speed Sensor NT (Transmission Revolution Sensor), Transmission Speed Sensor harness is open or shorted, Transmission Speed Sensor circuit poor electrical connection. 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 Scion indicates Input / Turbine Speed Sensor 'A' Circuit High.
Common causes: Common causes include Faulty Transmission Speed Sensor NT (Transmission Revolution Sensor), Transmission Speed Sensor harness is open or shorted, Transmission Speed Sensor circuit poor electrical connection.
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 Popularity 299

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 11, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P07C0 Scion Description

The Input Speed sensor detects the rotation speed of the turbine which indicates the input speed of the transaxle. By comparing the input turbine speed (speed sensor NT) signal with the counter gear speed (speed sensor NC) signal, the Engine Control Module (ECM) detects the shift timing of the gears and appropriately controls the engine torque and hydraulic pressure according to various conditions. As a result, the gears shift smoothly.
The NT terminal of the ECM detects a pulse signal from the speed sensor NT (input RPM). The ECM calculates gear shifts by comparing the signal from speed sensor NT with the signal from speed sensor NC.
While the transaxle is operating in 2nd, 3rd, 4th, 5th, or 6th gear with the shift lever in D, if the input shaft speed is less than 300 rpm although the output shaft speed is more than 1000 rpm, the ECM interprets this as a fault, illuminates the MIL and stores the Diagnostic Trouble Code (DTC).

OBDII Code P07C0 Scion - Input / Turbine Speed Sensor 'A' Circuit High - AutoCodes.com — P07C0 Scion Code - Input / Turbine Speed Sensor 'A' Circuit High

What does this mean?

What are the Possible Causes of the DTC P07C0 Scion?

Faulty Transmission Speed Sensor NT (Transmission Revolution Sensor)
Transmission Speed Sensor harness is open or shorted
Transmission Speed Sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P07C0 Scion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P07C0 Scion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.

Frequently Asked Questions about P07C0 Scion Code

What does the OBDII code P07C0 mean for a Scion?

The P07C0 code indicates that the Input/Turbine Speed Sensor 'A' circuit is reporting a high voltage signal, which may affect the transmission's performance.

What are the common symptoms of the P07C0 code in a Scion?

Symptoms may include erratic or delayed shifting, poor acceleration, transmission slipping, or the illumination of the check engine light.

What causes the P07C0 code to appear in a Scion?

Common causes include a faulty input/turbine speed sensor, damaged wiring or connectors, or issues with the transmission control module (TCM).

How do you diagnose the P07C0 code on a Scion?

Diagnosis typically involves scanning for codes, inspecting the input/turbine speed sensor and its wiring, and testing the sensor's voltage and resistance with a multimeter.

Can I drive my Scion with the P07C0 code?

While the vehicle may still be drivable, continuing to drive could cause further transmission damage. It’s best to address the issue promptly.

How do you fix the P07C0 code on a Scion?

Repairs may include replacing a faulty input/turbine speed sensor, repairing damaged wiring or connectors, or reprogramming/updating the TCM if needed.

How much does it cost to repair the P07C0 code in a Scion?

Repair costs can vary but typically range from $150 to $400, depending on whether the sensor, wiring, or module needs replacement.

Can a faulty transmission control module cause the P07C0 code?

Yes, a malfunctioning TCM can cause incorrect voltage readings and trigger the P07C0 code.

Does the P07C0 code always mean the speed sensor is bad?

No, the issue could also stem from wiring problems, loose connectors, or TCM faults rather than the sensor itself.

How can I prevent the P07C0 code from recurring in my Scion?

Regular maintenance, inspecting wiring and connectors for damage, and addressing transmission issues promptly can help prevent this code from recurring.