P0722 Infiniti Code - Vehicle Speed Sensor Circuit Fault
Quick Answer
The P0722 Infiniti code indicates a fault in the vehicle speed sensor circuit. Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors in the speed sensor circuit, Corrosion or debris affecting the speed sensor. 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
- P0722 Infiniti indicates Vehicle Speed Sensor Circuit Fault.
- Common causes
- Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors in the speed sensor circuit, Corrosion or debris affecting the speed sensor.
- 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 P0722 Infiniti Description
The P0722 Infiniti code indicates a fault in the vehicle speed sensor circuit. The vehicle speed sensor (VSS) is a crucial component that monitors the speed of the vehicle and sends this information to the engine control module (ECM). This data is essential for various systems in the vehicle, including the transmission, cruise control, and ABS. When the ECM detects a fault in the VSS circuit, it triggers the P0722 code.
Common Causes of P0722 Infiniti
- Faulty vehicle speed sensor.
- Damaged wiring or connectors in the speed sensor circuit.
- Corrosion or debris affecting the speed sensor.
- Malfunctioning engine control module (ECM).
- Electrical issues such as a blown fuse or short circuit in the circuit.
Symptoms of P0722 Infiniti
- Inaccurate speedometer readings or erratic speedometer behavior.
- Harsh or delayed shifting in the transmission.
- Cruise control not engaging or disengaging unexpectedly.
- ABS warning light illuminated on the dashboard.
- Loss of fuel efficiency due to improper transmission shifting.
How to Fix P0722 Infiniti
- Diagnose the issue by using a scan tool to retrieve the fault code and perform a visual inspection of the VSS and its wiring.
- Test the VSS using a multimeter to check for proper voltage and signal output.
- Replace the faulty VSS if it fails the voltage and signal output test.
- Inspect and repair any damaged wiring or connectors in the speed sensor circuit.
- Clear the fault code from the ECM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0722 Infiniti
The typical repair costs for a P0722 code can range from $100 to $300, depending on the extent of the repairs needed. This estimate includes the cost of a new vehicle speed sensor, wiring repairs, and labor. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary significantly. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing. It is advisable to check with local shops for a more accurate estimate based on your specific vehicle make and model.
Tech Notes for P0722 Infiniti
When is the Code Detected?
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