Error P0720 on Nissan Qashqai: complete analysis of the speed sensor fault

Owners Nissan Qashqai (especially models J10 And J11) often encounter an error P0720 - "Vehicle speed sensor circuit malfunction." This code may appear as an icon on your dashboard Check Engine, and with computer diagnostics. Unlike many other errors, P0720 directly affects the operation of the gearbox, stabilization system and even cruise control, making the operation of the car not only uncomfortable, but also potentially dangerous.

In this article we will look in detail at what exactly is hidden behind the code. P0720why does it occur on Nissan Qashqai (including hybrid versions and models with CVT CVT), and what to do to fix the problem. It is important to understand that ignoring this error may lead to complete failure of the speed sensor and blocking of gears in motion, so it is better to diagnose as early as possible.

What does error P0720 mean on Nissan Qashqai

Code P0720 indicates problems in the circuit vehicle speed sensor (VSS - Vehicle Speed Sensor). This sensor is responsible for transmitting data about driving speed to Engine ECU, ABS And gearbox. On Nissan Qashqai The sensor is usually located on the transmission (or transfer case for all-wheel drive versions) and has a characteristic 3-pin connector.

When ECU detects a signal discrepancy (for example, the sensor transmits zero speed when driving or does not send signals at all), it records an error P0720. In practice this looks like this:

• 🔴 Check Engine light on - the first and most obvious sign.
• 🚗 The speedometer needle freezes or jumps (sometimes shows 0 km/h when driving).
• ⚙️ Jerks when shifting gears (especially on a variator CVT).
• 🛑 Cruise control failure — the system simply does not activate.
• 🔄 ABS kicks in for no reason (due to incorrect speed data).

On models Qashqai J11 with the system ProPILOT error P0720 can disable semi-autonomous driving features entirely as the system relies on speed sensor data to maintain distance and speed.

The main causes of error P0720

Reasons for the error P0720 on Nissan Qashqai can be divided into mechanical, electric And software. Most often the problem lies in the sensor itself or its wiring, but sometimes other components are to blame.

Here is a complete list of possible causes, from most likely to rare:

• 🔧 Speed sensor (VSS) malfunction - wear, damage or short circuit inside the sensor.
• 🔌 Damage to wiring or connector - oxidation of contacts, breakage or short circuit of wires.
• 🖥️ ECU firmware failure - rare, but happens after an unsuccessful software update.
• ⚙️ Mechanical damage to the sensor drive (for example, a broken plastic rod in a box).
• 🔄 Problems with the ABS unit — the speed sensor can be connected to the anti-lock system.
• 🛠️ Poor repair or replacement of the sensor - for example, installing non-original VSS.

On Nissan Qashqai J10 (2007–2013), most often the sensor itself fails - its service life is about 150–200 thousand km. On Qashqai J11 (2014–2021) problems are more likely to be related to wiring or firmware, especially after updates NissanConnect.

How to check if the original speed sensor is installed?

The original speed sensor for Nissan Qashqai is marked 25580-4M00A (or similar with other suffixes). The body must have the Nissan logo and a holographic sticker. Non-original sensors often have a simplified design and can give incorrect readings after 10–20 thousand km.

How to diagnose error P0720 yourself

Before going to the service center, you can carry out preliminary diagnostics on your own. For this you will need:

• 🔧 Multimeter (to check voltage and resistance).
• 🔌 Scanning adapter ELM327 (to read errors).
• 📱 Smartphone with the program Torque Pro or Nissan DataScan.

Step by step instructions:

1. Count the mistakes via adapter. If except P0720 There is P0500 (no speed sensor signal) or U0100 (communication problems with the ABS), the problem is definitely in the sensor or wiring.
2. Check the sensor connector on the gearbox. It should be clean, free of oxidation, and fit tightly in place.
3. Measure the sensor resistance:

   Нормальное сопротивление VSS: 800–1400 Ом (зависит от температуры).
   Если показывает 0 Ом — короткое замыкание, если ∞ — обрыв.

4. Check the sensor supply voltage (usually 5V or 12V depending on model).

If the sensor is working, but the error remains, the problem may be wiring from the sensor to the ECU or the control unit itself. In this case, it is better to contact an electrician.

Step-by-step instructions for replacing the speed sensor on a Nissan Qashqai

If diagnostics show that the sensor is faulty, it must be replaced. On Nissan Qashqai This procedure is not complicated and takes about 30–60 minutes. You will need:

• 🔧 10 mm wrench or socket with extension.
• 🛠️ New speed sensor (original or high-quality analogue).
• 🧴 WD-40 or similar lubricant (if the sensor is “stuck”).

Instructions:

1. Disconnect the negative terminal of the battery (required!).
2. Locate the sensor on the transmission (usually on the top or side, near the speedometer drive).
3. Disconnect the sensor connector by pressing the latch.
4. Using a 10 mm wrench, unscrew the sensor counterclockwise.
5. Install the new sensor by tightening it firmly 8–12 Nm.
6. Connect the battery connector and terminal.
7. Reset errors with a scanner or by disconnecting the battery for 10 minutes.

After replacement, check the operation of the speedometer and gearbox. If the error P0720 remains, the problem may be in the wiring or the ECU.

Common repair mistakes and how to avoid them

Many owners Nissan Qashqai make typical mistakes when troubleshooting P0720, which causes the problem to reappear. That's what can't do:

• 🚫 Ignore wiring check - even a new sensor will not work if the wires are frayed or shorted.
• 🚫 Install non-original sensors - they often give incorrect readings, especially on CVTs.
• 🚫 Do not reset errors after replacement — The ECU may continue to use old data.
• 🚫 Overtighten the sensor - this may damage the threads or the body of the box.

Another common mistake is do not check the compatibility of the sensor with the box type. For example, a sensor from a manual transmission is not suitable for a CVT CVT, even if they are externally identical.

⚠️ Attention: If after replacing the sensor the error P0720 appears again, do not rush to buy a new one. Check first wiring from sensor to ECU — often the problem lies in frayed wires near the exhaust manifold or box.

Cost of repairs in the service vs self-repair

Prices for fixing errors P0720 depend on the cause and region. The table below shows the approximate price for Nissan Qashqai in Russia and the CIS countries (for 2026):

Type of work	Cost (RUB)	Cost (tenge/hryvnia)	Lead time
Diagnostics with a scanner	500–1500	2000–6000 / 200–600	15–30 min
Replacing the speed sensor (work)	1500–3000	6000–12000 / 600–1200	30–60 min
Original VSS sensor	3000–6000	12000–24000 / 1200–2400	—
Wiring repair (partial)	2000–5000	8000–20000 / 800–2000	1–2 hours
Flashing the ECU	5000–15000	20000–60000 / 2000–6000	2–4 hours

Do-it-yourself repairs will be cheaper, but require skills in working with electronics. If you are not confident in your abilities, it is better to contact the service - especially if the problem is ECU or wiring.

What to do if replacing the sensor did not help

If after replacing the speed sensor the error P0720 remains, the problem may be deeper. Here's what to check:

1. Wiring from sensor to ECU — wires near the box or exhaust manifold often fray.
2. ABS block - on some models Qashqai the speed signal goes through it.
3. ECU firmware - crashes after updates NissanConnect may cause false errors.
4. Mechanical part of the sensor drive - sometimes the plastic rod inside the box breaks.

If all checks fail, there are two options left:

• 🔧 Diagnostics using a professional scanner (For example, Nissan Consult).
• 📊 Checking with an oscilloscope — allows you to see the sensor signal waveform.

In rare cases, an error P0720 may be caused malfunction of the ECU itself, but this is usually accompanied by other errors (for example, U1000 - loss of connection with the unit).

FAQ: Frequently asked questions about error P0720 on Nissan Qashqai

Is it possible to drive with P0720?

Technically possible, but not recommended. Without correct speed data ABS And gearbox operate in emergency mode, which increases the risk of accidents. In addition, on the variator CVT this can lead to overheating and premature wear.

How to reset P0720 without a scan tool?

You can disconnect the negative terminal of the battery for 10–15 minutes. However, if the cause is not resolved, the error will appear again. On some models Qashqai You can reset errors using service menu (press and hold the buttons on the instrument panel when turning on the ignition).

Is the Renault speed sensor suitable for Nissan Qashqai?

No, despite the fact that Qashqai And Renault Koleos built on the same platform, they have different speed sensors. U Nissan different connector and calibration. Installing the sensor from Renault will lead to incorrect speedometer readings.

Can P0720 appear after washing the engine?

Yes, if water gets into the sensor connector or contacts ECU. In this case, you need to dry the connectors and check the circuit for a short circuit. Sometimes handling contacts helps contact lubricant (For example, CRC 2-26).

Does P0720 affect fuel consumption?

Indirectly - yes. Without correct speed data ECU cannot optimally regulate fuel supply, especially on the highway. Owners Qashqai note an increase in spending on 0.5–1.5 l/100 km with active error P0720.