What are the common causes of the P0716 code on a Renault?

cause_speed_sensor_in, cause_transmission_fluid, cause_wiring_damage

How much does it cost to fix the P0716 code?

The estimated repair cost for the P0716 code is $150 - $600. This includes parts and labor.

P0716Renault ZoeYears: 1996 - 2026

Input/Turbine Speed Sensor Circuit Range/Performance

Reviewed by ASE Certified Technician

Is It Safe to Drive?Driving with a P0716 code is highly inadvisable and can be dangerous. The transmission control module relies heavily on the input/turbine speed sensor to accurately determine gear ratios, control shift points, and manage torque converter lock-up. A faulty or erratic signal can lead to unpredictable and severe transmission behavior, including harsh or delayed shifts, loss of specific gears, unexpected downshifts, or even a complete loss of drive while operating the vehicle. This erratic behavior can cause a sudden loss of power or control, significantly increasing the risk of an accident, especially in traffic or at higher speeds. Continued driving can also cause accelerated wear and severe damage to internal transmission components.

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What does this mean?

Code P0716 indicates a problem with the transmission input/turbine speed sensor.

Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Renault Zoe models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.

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Common Causes

Faulty input/turbine speed sensor

Low, dirty, or burnt transmission fluid

Damaged, chafed, or broken wiring harness

Symptoms to Watch For

Check Engine Light is illuminated
Transmission slipping between gears
Hard or harsh gear shifting
Transmission stuck in one gear

How to Diagnose

Comprehensive Visual Inspection and Scan Tool Data Analysis: Begin with a thorough visual inspection of the Input/Turbine Speed Sensor (ISS/TSS) and its associated wiring harness and connectors. Look for any signs of physical damage, fraying, chafing, corrosion, or loose connections. Pay close attention to areas where the harness might rub against other components. Next, connect a professional-grade scan tool capable of displaying live transmission data. Monitor the Input Shaft Speed (ISS) or Turbine Speed Sensor (TSS) PID, along with Output Shaft Speed (OSS), Engine RPM, and Vehicle Speed Sensor (VSS) data. With the vehicle in neutral, compare the ISS/TSS reading to engine RPM; they should be very close. During a test drive, observe the ISS/TSS readings for erratic fluctuations, sudden drops to zero, or values that are inconsistent with engine RPM and OSS, especially during gear changes and torque converter lock-up events. Note any specific driving conditions or gears where the anomaly is most pronounced. Also, check for any other related transmission or engine codes that might provide additional context.

Circuit Integrity and Sensor Resistance/Voltage Testing: With the ignition OFF and battery disconnected (if necessary for safety), disconnect the ISS/TSS sensor connector and locate the corresponding pins at the Transmission Control Module (TCM) or Powertrain Control Module (PCM) connector using the vehicle's specific wiring diagram. Perform continuity checks on the signal wire, reference voltage wire (if applicable), and ground wire between the sensor connector and the module connector. Any open circuits indicate a break in the wiring. Next, check for short circuits to ground or to battery voltage on all wires. Measure the resistance of the sensor itself (if it's a magnetic pickup type) across its terminals, comparing it to manufacturer specifications. For Hall effect sensors, back-probe the connector with the sensor connected and ignition ON to verify proper power and ground, then use an oscilloscope to observe the square wave signal output while rotating the input shaft or simulating rotation (if possible). An erratic or absent signal confirms a sensor or wiring issue.

Environmental Factors and Reluctor Wheel Inspection: After confirming the sensor and wiring integrity, consider environmental factors. Ensure the transmission fluid level is correct and the fluid is not severely contaminated or burnt, as this can sometimes indirectly affect sensor performance or indicate a deeper mechanical issue. If the sensor is accessible, remove it and inspect its tip for any metallic debris or foreign material that might be adhering to it, which can interfere with its magnetic field and signal generation. Also, visually inspect the reluctor wheel (tone wheel) on the input shaft, if visible, for any signs of damage, missing teeth, or excessive wear that could cause an inconsistent signal. While less common for P0716, electromagnetic interference (EMI) from poorly routed high-current wiring can sometimes induce noise into the sensor circuit, leading to performance issues.

Advanced Diagnostics and Mechanical Verification (If Previous Steps Inconclusive): If the sensor and its circuit test perfectly, and the issue persists, the problem could potentially lie within the Transmission Control Module (TCM) or Powertrain Control Module (PCM) itself, specifically a faulty input driver circuit. This is less common but should be considered. As a final diagnostic step, if all electrical components are verified good, a mechanical issue within the transmission, such as excessive play in the input shaft bearings or damage to the reluctor wheel that is not visually apparent, could be causing the erratic speed readings. This would typically be accompanied by other transmission noises or symptoms and would require more invasive transmission inspection or disassembly.

Common Solutions

Replace the Input/Turbine Speed Sensor (ISS/TSS): This is the most frequent solution. If the sensor's live data is erratic, absent, or inconsistent with other vehicle parameters, and its circuit integrity has been verified, replacing the sensor with a high-quality OEM or equivalent aftermarket part will typically resolve the P0716 code.

Repair or Replace Damaged Wiring and Connectors: Address any identified open circuits, short circuits, or excessive resistance in the wiring harness leading to the ISS/TSS. This includes repairing frayed wires, replacing corroded or damaged connector terminals, and ensuring all connections are secure and free of contamination.

Clean the Input/Turbine Speed Sensor Tip: In some cases, metallic debris from normal transmission wear can accumulate on the magnetic tip of the sensor, interfering with its ability to accurately read the reluctor wheel. Removing the sensor and thoroughly cleaning its tip can restore proper function without needing to replace the sensor itself.

Address Internal Transmission Mechanical Issues: If the sensor and its entire circuit are confirmed to be functioning correctly, and the code persists, the underlying issue may be mechanical damage within the transmission, such as a damaged reluctor wheel on the input shaft or excessive input shaft end play. This would necessitate internal transmission repair or replacement.

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Repair Estimate

$150 - $600

Parts$30 - $150

Labor$75 - $300

DIY Difficulty

Hard

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Input/Turbine Speed Sensor Circuit Range/Performance

Reviewed by ASE Certified Technician

What does this mean?

Code P0716 indicates a problem with the transmission input/turbine speed sensor.

How to Diagnose

Common Solutions

What does this mean?

Common Causes

Symptoms to Watch For

How to Diagnose

Common Solutions

Join the Discussion

Repair Estimate

DIY Difficulty

Other Popular Renault Codes

Scanning Engine...

What does this mean?

Common Causes

Symptoms to Watch For

How to Diagnose

Common Solutions

Join the Discussion

Repair Estimate

DIY Difficulty

Other Popular Renault Codes