P0720 Acura Code - Output Shaft Speed Sensor Circuit Malfunction
Quick Answer
The P0720 diagnostic trouble code (DTC) for Acura vehicles indicates a malfunction in the output shaft speed sensor circuit. Common causes include Faulty output shaft speed sensor, Damaged wiring or connectors in the sensor circuit, Sensor misalignment or improper installation. 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 Acura indicates Output Shaft Speed Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty output shaft speed sensor, Damaged wiring or connectors in the sensor circuit, Sensor misalignment or improper installation.
- 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 Acura Description
The P0720 diagnostic trouble code (DTC) for Acura vehicles indicates a malfunction in the output shaft speed sensor circuit. This sensor is responsible for monitoring the speed of the transmission's output shaft and providing feedback to the vehicle's powertrain control module (PCM). The PCM uses this information to determine shift points and optimize transmission performance.
Common Causes of P0720 Acura
- Faulty output shaft speed sensor
- Damaged wiring or connectors in the sensor circuit
- Sensor misalignment or improper installation
- Corrosion or debris affecting sensor operation
- PCM software or hardware issues
Symptoms of P0720 Acura
- Rough or delayed shifting
- Transmission slipping
- Check Engine Light illuminated
- Reduced fuel efficiency
- Loss of power
How to Fix P0720 Acura
- Begin by diagnosing the issue with a scan tool to confirm the P0720 code.
- Inspect the output shaft speed sensor and its wiring for any visible damage or corrosion.
- Test the sensor's operation using a multimeter to ensure it is functioning correctly.
- If the sensor is faulty, replace it with a new one and ensure proper alignment during installation.
- Clear the DTC using a scan tool and road test the vehicle to verify that the issue has been resolved.
Cost to Fix P0720 Acura
The typical repair costs for addressing a P0720 Acura code can range from $150 to $300, including parts and labor. However, it's essential to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly. Factors such as location, vehicle make and model, and engine type can influence the final cost. It's advisable to check with local repair shops for a more accurate estimate based on your specific circumstances.
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Frequently Asked Questions about P0720 Acura Code
What does the OBDII code P0720 mean on an Acura?
P0720 indicates a malfunction in the output shaft speed sensor circuit, which measures the rotational speed of the transmission's output shaft for proper shifting.
What are the common symptoms of P0720 on an Acura?
Symptoms include erratic or delayed shifting, poor acceleration, decreased fuel efficiency, and the check engine light turning on.
What causes the P0720 code on an Acura?
Common causes include a faulty output shaft speed sensor, damaged wiring or connectors, or a problem with the transmission control module (TCM).
Can I drive my Acura with a P0720 code?
Driving with a P0720 code is not recommended as it may lead to transmission damage or unsafe driving conditions due to erratic shifting.
How do I diagnose a P0720 code on my Acura?
Diagnosis involves checking the output shaft speed sensor, inspecting wiring and connectors for damage, and using a scan tool to monitor sensor readings.
How do I fix the P0720 code on an Acura?
Repairs may include replacing the faulty output shaft speed sensor, repairing damaged wiring or connectors, or reprogramming/replacing the TCM if necessary.
How much does it cost to fix a P0720 code on an Acura?
Costs vary but typically range from $100 to $300 for parts and labor, depending on whether the sensor or wiring needs replacement.
Can a dirty or damaged connector cause a P0720 code on an Acura?
Yes, corrosion or damage to the sensor’s electrical connector can disrupt the circuit and trigger the P0720 code.
Does a P0720 code affect the transmission performance in an Acura?
Yes, a malfunctioning output shaft speed sensor can cause issues like erratic shifting and reduced transmission efficiency.
What tools are needed to diagnose and repair a P0720 code on an Acura?
You’ll need a scan tool, multimeter, and basic hand tools to diagnose and repair the sensor or wiring issues.
Discuss the causes and fixes for P0720 Acura OBDII Code
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I for one would like to know the location of the output shaft speed sensor on our 2005 Acura MDX?
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Left side of Engine, top of trans housing close to trans oil filler plug.
Output Shaft (Countershaft) Speed Sensor Replacement:
1. Remove the splash shield.
2. Disconnect the output shaft (countershaft) speed sensor connector, and remove the output shaft (countershaft) speed sensor.
3. Install the new O-ring (A) on the new output shaft (countershaft) speed sensor (B), then install the output shaft (countershaft) speed sensor in the transmission housing.
4. Check the connector for rust, dirt, or oil, then connect the connector securely.
5. Install the splash shield.
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