P0501 Code - Vehicle Speed Sensor 'A' Range/Performance
Quick Answer
The vehicle speed sensor outputs a 4 pulse signal for every revolution of the rotor shaft, which is rotated by the transmission output shaft via the driven gear. Common causes include Faulty Vehicle Speed Sensor, Vehicle speed sensor harness or connectors is open or shorted, Vehicle speed 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
- P0501 indicates Vehicle Speed Sensor 'A' Range/Performance.
- Common causes
- Common causes include Faulty Vehicle Speed Sensor, Vehicle speed sensor harness or connectors is open or shorted, Vehicle speed 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 P0501 Description
What are the Possible Causes of the DTC P0501?
- Faulty Vehicle Speed Sensor
- Vehicle speed sensor harness or connectors is open or shorted
- Vehicle speed sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0501?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0501 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.
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Information for Specific Makes
- P0501 Acura — CVT Speed Sensor Circuit Range/Performance
- P0501 Audi — Vehicle Speed Sensor 'A' Range/Performance
- P0501 Ford — Vehicle Speed Sensor 'A' Range/Performance
- P0501 Honda — CVT Speed Sensor Circuit Range/Performance
- P0501 Hyundai — Vehicle Speed Sensor 'A' Range/Performance
- P0501 KIA — Vehicle Speed Sensor 'A' Range/Performance
- P0501 Mazda — Vehicle Speed Sensor 'A' Range/Performance
- P0501 Mercedes-Benz — Vehicle Speed Sensor 'A' Range/Performance
- P0501 Mitsubishi — Vehicle Speed Sensor 'A' Range/Performance
- P0501 Suzuki — Vehicle Speed Sensor 'A' Range/Performance
- P0501 Volkswagen — Vehicle Speed Sensor 'A' Range/Performance
Frequently Asked Questions about P0501 Code
1. What are the common symptoms of OBDII code P0501 (Vehicle Speed Sensor 'A' Range/Performance)?
- Common symptoms include erratic speedometer readings, inoperative cruise control, harsh shifting, and an illuminated check engine light.
2. What are the possible causes of OBDII code P0501?
- Possible causes include a faulty vehicle speed sensor, damaged wiring or connectors related to the speed sensor, or a problem with the speedometer itself.
3. How does the vehicle speed sensor affect the performance of a vehicle?
- The vehicle speed sensor provides crucial data to the vehicle's engine control module and transmission control module to ensure proper operation of various systems, such as the speedometer, cruise control, and transmission shifting.
4. What are some DIY repair tips for addressing OBDII code P0501?
- DIY repair tips may include visually inspecting the wiring and connectors related to the vehicle speed sensor, checking the sensor's mounting and alignment, and testing the sensor's output voltage using a multimeter.
5. Can driving with OBDII code P0501 pose any risks to the vehicle?
- Driving with this code may result in inaccurate speedometer readings, which can affect the vehicle's performance and safety features relying on speed data. It is recommended to address the issue promptly.
6. Is it possible to reset the OBDII code P0501 without fixing the underlying issue?
- Resetting the code without fixing the underlying issue will likely result in the code reappearing once the vehicle is driven and the problem is detected again by the onboard diagnostics system.
7. How can a mechanic diagnose OBDII code P0501 accurately?
- A mechanic may use specialized diagnostic tools to read the code, test the vehicle speed sensor's output signal, inspect related wiring and connectors, and perform a road test to verify the issue.
8. Are there any recalls or technical service bulletins related to OBDII code P0501?
- It is recommended to check with the vehicle manufacturer or authorized service centers for any recalls or technical service bulletins related to this specific OBDII code for your vehicle make and model.
9. Can a malfunctioning vehicle speed sensor cause other issues besides triggering OBDII code P0501?
- Yes, a malfunctioning vehicle speed sensor can cause issues such as incorrect shift points in the transmission, inaccurate odometer readings, and potential safety concerns related to speed-dependent systems.
10. How much does it typically cost to repair OBDII code P0501 at a professional auto repair shop?
- The cost of repairing OBDII code P0501 can vary depending on the labor rates, parts required, and the specific cause of the issue. It is recommended to obtain estimates from reputable auto repair shops for an accurate cost assessment.
Discuss the causes and fixes for P0501 OBDII Code
-
2004 Dodge Durango V6 engine without four wheel drive has codes p0501 & u1120
-
Looks like the Engine Control Module (ECM) lost communications with the ABS control module.
Any other symptoms or warning lights? Have you tried clearing the code?
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I have 806 Dodge charger with the code P0501 a speed sensor where is it located
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