P0720 Chrysler Code - Output Speed Sensor Circuit Malfunction
Quick Answer
The speed sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. Common causes include Faulty Speed Sensor, Speed Sensor harness is open or shorted, 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
- P0720 Chrysler indicates Output Speed Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty Speed Sensor, Speed Sensor harness is open or shorted, 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 P0720 Chrysler Description
What are the Possible Causes of the DTC P0720 Chrysler?
- Faulty Speed Sensor
- Speed Sensor harness is open or shorted
- Speed Sensor circuit poor electrical connection
How to Fix the DTC P0720 Chrysler?
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
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0720 Chrysler 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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Frequently Asked Questions about P0720 Chrysler Code
1. What are the common symptoms of an OBDII code P0720 in a Chrysler vehicle?
- Common symptoms include erratic speedometer readings, difficulty shifting gears, stalling, and the vehicle going into "limp mode."
2. What are the possible causes of the P0720 code in a Chrysler?
- The P0720 code is usually triggered by a faulty output speed sensor, damaged wiring or connectors, low transmission fluid, or a defective transmission control module.
3. How can I diagnose the P0720 code in my Chrysler?
- A diagnostic scan tool can be used to retrieve the trouble code and perform further tests to identify the exact cause, such as checking the output speed sensor's resistance and inspecting the wiring.
4. Can I continue driving my Chrysler with the P0720 code present?
- It is not recommended to drive with the P0720 code as it can lead to further transmission issues and potential safety hazards. It is best to address the problem promptly.
5. What is the typical repair process for the P0720 code in a Chrysler?
- The repair process usually involves replacing the output speed sensor, repairing or replacing damaged wiring or connectors, ensuring proper transmission fluid levels, and clearing the trouble code.
6. Are there any DIY tips for fixing the P0720 code in my Chrysler?
- While some basic inspections and sensor replacements can be done by DIY enthusiasts, it is recommended to seek professional help for accurate diagnosis and repair of the P0720 code.
7. How much does it cost to repair the P0720 code in a Chrysler?
- The cost of repairing the P0720 code can vary depending on the exact cause of the issue, the labor rates of the repair shop, and the cost of parts required for the repair.
8. Can a faulty output speed sensor cause other issues in a Chrysler besides triggering the P0720 code?
- Yes, a faulty output speed sensor can cause various transmission-related issues such as harsh shifting, poor acceleration, and decreased fuel efficiency.
9. Is it necessary to reset the transmission control module after repairing the P0720 code in a Chrysler?
- It is recommended to clear the trouble code and reset the transmission control module after repairing the P0720 code to ensure proper functioning of the transmission system.
10. How can I prevent the recurrence of the P0720 code in my Chrysler?
- Regular maintenance of the transmission system, checking for fluid leaks, and promptly addressing any warning signs can help prevent the recurrence of the P0720 code in your Chrysler.
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