P0720 Infiniti Code - Vehicle Speed Sensor
Quick Answer
The P0720 code in Infiniti vehicles refers to an issue with the vehicle speed sensor. Common causes include Faulty vehicle speed sensor, Damaged or corroded wiring, Poor connection or loose 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
- P0720 Infiniti indicates Vehicle Speed Sensor.
- Common causes
- Common causes include Faulty vehicle speed sensor, Damaged or corroded wiring, Poor connection or loose 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 P0720 Infiniti Description
The P0720 code in Infiniti vehicles refers to an issue with the vehicle speed sensor. The vehicle speed sensor, also known as the VSS, is a crucial component that monitors the speed of the vehicle and sends this information to the engine control module (ECM). The ECM uses this data to adjust various systems such as fuel injection, ignition timing, and transmission shifting. When the vehicle speed sensor malfunctions or fails, it can lead to a range of performance issues and potential safety concerns.
Common Causes of P0720 Infiniti
- Faulty vehicle speed sensor
- Damaged or corroded wiring
- Poor connection or loose sensor
- ECM software issue
- Mechanical damage to the sensor
Symptoms of P0720 Infiniti
- Inaccurate speedometer readings
- Erratic shifting or transmission slipping
- Cruise control not working properly
- Check engine light illuminated
- Vehicle stalling or hesitating
How to Fix P0720 Infiniti
- Diagnose the issue by using a scan tool to verify the P0720 code and test the vehicle speed sensor's output.
- Inspect the wiring harness and connectors for any damage or corrosion.
- Replace the vehicle speed sensor if it is found to be faulty.
- Clear the code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be needed to identify any underlying issues with the transmission or ECM.
Cost to Fix P0720 Infiniti
The cost of repairing a P0720 code in an Infiniti vehicle can vary depending on the specific model and the extent of the repairs needed. On average, replacing a vehicle speed sensor can cost between $100 and $300, including parts and labor. Additional costs may be incurred if there are other underlying issues that need to be addressed. It's important to note that labor rates can vary significantly, so it's advisable to obtain a few quotes from different auto repair shops to ensure a competitive price.
Tech Notes for P0720 Infiniti
When is the Code Detected?
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Information for Specific Infiniti Models
- P0720 1999 Infiniti G20 — Vehicle Speed Sensor
- P0720 2000 Infiniti G20 — Vehicle Speed Sensor
- P0720 2001 Infiniti G20 — Vehicle Speed Sensor
- P0720 2002 Infiniti G20 — Vehicle Speed Sensor
- P0720 2003 Infiniti G35 — Vehicle Speed Sensor
- P0720 2004 Infiniti G35 — Vehicle Speed Sensor
- P0720 2005 Infiniti G35 — Vehicle Speed Sensor
- P0720 2006 Infiniti G35 — Vehicle Speed Sensor
- P0720 2000 Infiniti I30 — Vehicle Speed Sensor
- P0720 2001 Infiniti I30 — Vehicle Speed Sensor
Frequently Asked Questions about P0720 Infiniti Code
1. What are the common symptoms of an OBDII code P0720 related to the Vehicle Speed Sensor in an Infiniti?
- Common symptoms include erratic speedometer readings, stalling or hesitation during acceleration, and an illuminated check engine light.
2. What can cause an OBDII code P0720 in an Infiniti related to the Vehicle Speed Sensor?
- The code P0720 is often triggered by a faulty vehicle speed sensor, damaged wiring or connectors, or issues with the transmission control module.
3. How can I diagnose the cause of an OBDII code P0720 in my Infiniti?
- Diagnose the issue by conducting a visual inspection of the speed sensor and its wiring, checking for any visible damage or corrosion. Using a diagnostic scanner can also help identify the exact cause.
4. What are some repair tips for fixing an OBDII code P0720 related to the Vehicle Speed Sensor in an Infiniti?
- Repair tips may include replacing the vehicle speed sensor, repairing or replacing damaged wiring, or reprogramming the transmission control module to resolve the issue.
5. Can I continue driving my Infiniti with an OBDII code P0720 related to the Vehicle Speed Sensor?
- It is not recommended to continue driving with this code present, as it can cause further damage to the transmission and affect the vehicle's performance.
6. How much does it cost to repair an OBDII code P0720 related to the Vehicle Speed Sensor in an Infiniti?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
7. Will resetting the OBDII code P0720 related to the Vehicle Speed Sensor in my Infiniti make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but it will reappear if the underlying issue causing the code is not fixed.
8. Can a DIY enthusiast fix an OBDII code P0720 related to the Vehicle Speed Sensor in an Infiniti?
- Depending on the level of expertise, DIY enthusiasts may be able to replace the vehicle speed sensor or check wiring connections, but more complex repairs may require professional assistance.
9. How long does it take to repair an OBDII code P0720 related to the Vehicle Speed Sensor in an Infiniti?
- The repair time can vary based on the exact cause of the issue and the extent of the repair needed, but it may take anywhere from 1-3 hours to complete.
10. Are there any recalls or technical service bulletins related to the OBDII code P0720 in Infiniti vehicles?
- It is recommended to check with your local Infiniti dealership or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any relevant recalls or service bulletins related to this issue.
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