P0720 2002 Nissan Altima Sedan Code - Vehicle Speed Sensor
Quick Answer
The speed sensor (revolution sensor) detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. Common causes include Faulty Revolution Sensor, Revolution Sensor harness is open or shorted, Revolution 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
- P0720 2002 Nissan Altima Sedan indicates Vehicle Speed Sensor.
- Common causes
- Common causes include Faulty Revolution Sensor, Revolution Sensor harness is open or shorted, Revolution 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.
Code P0720 2002 Nissan Altima Sedan Description
2002 Nissan Altima Revolution Sensor Location
What are the Possible Causes of the DTC P0720 2002 Nissan Altima Sedan?
- Faulty Revolution Sensor
- Revolution Sensor harness is open or shorted
- Revolution Sensor circuit poor electrical connection
How to Fix the DTC P0720 2002 Nissan Altima Sedan?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0720 2002 Nissan Altima Sedan 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.
Need more information about the P0720 2002 Nissan Altima Sedan code?
Need more information on how to fix the P0720 2002 Nissan Altima Sedan code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0720 2002 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0720 2002 Nissan Altima Sedan Code
What does the OBDII code P0720 mean for a 2002 Nissan Altima Sedan?
P0720 indicates an issue with the Output Speed Sensor Circuit, often related to the Vehicle Speed Sensor (VSS) in the transmission.
What are the common symptoms of code P0720 in a 2002 Nissan Altima?
Symptoms may include erratic or no speedometer function, poor transmission shifting, a decrease in fuel efficiency, or the vehicle going into limp mode.
What causes the P0720 code in a 2002 Nissan Altima?
Common causes include a faulty vehicle speed sensor, damaged wiring or connectors in the speed sensor circuit, or a malfunctioning transmission control module (TCM).
How do I diagnose a P0720 code in a 2002 Nissan Altima?
Diagnosis involves checking the Vehicle Speed Sensor for proper operation, inspecting wiring and connectors for damage, and using a multimeter or scan tool to test the sensor's circuit.
Can I drive my 2002 Nissan Altima with a P0720 code?
Driving with a P0720 code is not recommended, as it can cause erratic shifting, reduced performance, and potential damage to the transmission.
How do I fix a P0720 code on a 2002 Nissan Altima?
Repairs may involve replacing the faulty Vehicle Speed Sensor, repairing damaged wiring or connectors, or updating/reprogramming the TCM if needed.
Is the P0720 code related to the transmission in my 2002 Nissan Altima?
Yes, the P0720 code is directly related to the transmission, as it signals an issue with the sensor that monitors the output shaft speed.
How much does it cost to fix a P0720 code in a 2002 Nissan Altima?
The cost varies but typically ranges from $150 to $400, depending on whether you're replacing the speed sensor or addressing wiring and labor charges.
Can a bad Vehicle Speed Sensor cause transmission problems in a 2002 Nissan Altima?
Yes, a faulty Vehicle Speed Sensor can lead to erratic shifting, transmission slippage, or the vehicle entering limp mode.
Will clearing the code fix the P0720 issue on my 2002 Nissan Altima?
Clearing the code will temporarily remove it, but the issue will likely return unless the underlying problem is properly addressed.
Discuss the causes and fixes for P0720 2002 Nissan Altima Sedan OBDII Code
Code P0720 2002 Nissan Altima Sedan comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
