AutoCodes – Cadillac – P0716 Cadillac

P0716 Cadillac Code - Transmission Input Speed Sensor Performance

Quick Answer

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission. Common causes include Faulty Transmission Input Speed Sensor, Transmission Input Speed Sensor harness is open or shorted, Transmission Input 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
P0716 Cadillac indicates Transmission Input Speed Sensor Performance.
Common causes
Common causes include Faulty Transmission Input Speed Sensor, Transmission Input Speed Sensor harness is open or shorted, Transmission Input 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 9,130
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 29, 2022
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Code P0716 Cadillac Description

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission. The Input Speed Sensor (ISS), also known as the transmission turbine speed sensor, is a hall-effect type sensor. The ISS mounts to the control valve upper body assembly and connects to the control solenoid (w/body and Transmission Control Module (TCM)) valve assembly through a wire harness and connector. The sensor faces the 1-2-3-4 and 3-5-R clutch housing machined teeth surface. The sensor receives 8.3-9.3 volts on the Input/Output Speed Sensor (ISS/OSS) supply voltage circuit from the Transmission Control Module (TCM). As the 1-2-3-4 and 3-5-R clutch housing rotates, the sensor produces a signal frequency based on the machined surface of the 1-2-3-4 and 3-5-R clutch housing. This signal is transmitted through the ISS signal circuit to the control solenoid (w/body and TCM) valve assembly. The control solenoid (w/body and TCM) valve assembly uses the ISS signal to determine line pressure, transmission shift patterns, Torque Converter Clutch (TCC) slip speed, and gear ratio. The Diagnostic Trouble Code (DTC) will be set when the TCM detects an unrealistic change in turbine speed.
OBDII Code P0716 Cadillac - Transmission Input Speed Sensor Performance - AutoCodes.com
P0716 Cadillac Code - Transmission Input Speed Sensor Performance

What are the Possible Causes of the DTC P0716 Cadillac?

  • Faulty Transmission Input Speed Sensor
  • Transmission Input Speed Sensor harness is open or shorted
  • Transmission Input Speed Sensor circuit poor electrical connection
  • Faulty Control Solenoid Valve Assembly

How to Fix the DTC P0716 Cadillac?

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 P0716 Cadillac 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 P0716 Cadillac Code

1. What does the OBDII code P0716 mean on a Cadillac?

P0716 indicates a problem with the transmission input speed sensor's performance, meaning the sensor is sending erratic or implausible signals to the vehicle's computer.

2. What are common symptoms of code P0716 on a Cadillac?

Symptoms include erratic shifting, delayed gear engagement, reduced fuel efficiency, limp mode activation, and the Check Engine Light turning on.

3. What causes code P0716 on a Cadillac?

Common causes include a faulty transmission input speed sensor, damaged wiring or connectors, internal transmission issues, or a malfunctioning powertrain control module (PCM).

4. Can I drive my Cadillac with code P0716?

While the car may still be drivable, prolonged driving with this issue can lead to further transmission damage. It's best to address the problem promptly.

5. How do you diagnose code P0716 on a Cadillac?

Diagnosis involves scanning for additional codes, inspecting the wiring and connectors for damage, testing the input speed sensor, and checking the transmission fluid for contamination.

6. How do you fix code P0716 on a Cadillac?

Repairs may include replacing the input speed sensor, repairing damaged wiring or connectors, flushing contaminated transmission fluid, or addressing internal transmission issues.

7. How much does it cost to fix code P0716 on a Cadillac?

Costs vary depending on the repair but typically range from $150 to $500 for sensor replacement or wiring repairs. Transmission repairs may be more expensive.

8. Can a dirty transmission fluid cause code P0716 on a Cadillac?

Yes, dirty or contaminated transmission fluid can interfere with sensor operation and cause this code to appear.

9. Will resetting the Check Engine Light fix code P0716 on a Cadillac?

Resetting the light may temporarily clear the code, but the underlying issue must be resolved to prevent the code from returning.

10. Is code P0716 specific to Cadillacs?

No, P0716 is a generic OBDII code that can appear on various vehicles, but the symptoms and repair procedures may vary by make and model.

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