P1722 Code - Estimated Vehicle Speed Signal
Quick Answer
The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to Transmission Control Module (TCM) via Control Area Network (CAN) communication line. Common causes include Faulty Vehicle Speed Sensor, Vehicle speed sensor harness 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
- P1722 indicates Estimated Vehicle Speed Signal.
- Common causes
- Common causes include Faulty Vehicle Speed Sensor, Vehicle speed sensor harness 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 P1722 Description
What are the Possible Causes of the DTC P1722?
- Faulty Vehicle Speed Sensor
- Vehicle speed sensor harness is open or shorted
- Vehicle speed sensor circuit poor electrical connection
How to Fix the DTC P1722?
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 P1722 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 P1722 code?
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Need Help with the Code?
Get the P1722 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1722 Ford — Gear 2 Incorrect Ratio
- P1722 Hyundai — Control Relay - Abnormal
- P1722 Infiniti — Estimated Vehicle Speed Signal
- P1722 Jaguar — Transmission Stall Speed Failure
- P1722 Nissan — Estimated Vehicle Speed Signal
- P1722 Subaru — Automatic Transmission Diagnosis Signal Voltage High
Frequently Asked Questions about P1722 Code
1. What are the common symptoms of OBDII code P1722?
- Common symptoms of OBDII code P1722 include issues with the vehicle's speedometer, erratic speedometer readings, and potential transmission shifting problems.
2. What are the possible causes of OBDII code P1722?
- Possible causes of OBDII code P1722 include a faulty vehicle speed sensor, damaged wiring or connectors related to the speed sensor, or a defective instrument cluster.
3. How can I diagnose the source of OBDII code P1722?
- To diagnose OBDII code P1722, you can use a scan tool to check for any additional related codes, visually inspect the speed sensor and its wiring for damage, and perform a proper diagnostic test of the speed sensor.
4. What are the implications of ignoring OBDII code P1722?
- Ignoring OBDII code P1722 can lead to inaccurate speedometer readings, potential transmission issues, and a lack of critical vehicle speed data for other systems, which can affect overall vehicle performance.
5. Can I repair OBDII code P1722 by replacing the vehicle speed sensor?
- Yes, in many cases, replacing the faulty vehicle speed sensor can resolve OBDII code P1722. However, it's important to ensure proper diagnosis before proceeding with any repairs.
6. Are there any DIY tips for addressing OBDII code P1722?
- DIY tips for addressing OBDII code P1722 include checking the speed sensor wiring for any visible damage, ensuring proper connection of the speed sensor, and consulting the vehicle's service manual for specific troubleshooting steps.
7. Is it safe to continue driving with OBDII code P1722 present?
- It is not recommended to continue driving with OBDII code P1722 present, as it can lead to inaccurate speedometer readings and potential transmission issues, impacting the safety and performance of the vehicle.
8. Can a bad instrument cluster cause OBDII code P1722?
- Yes, a defective instrument cluster can be a potential cause of OBDII code P1722, as the instrument cluster plays a crucial role in receiving and displaying vehicle speed signal data.
9. How long does it typically take to repair OBDII code P1722?
- The repair time for OBDII code P1722 can vary depending on the exact cause of the issue, but it typically takes a few hours to diagnose and address the problem, especially if a speed sensor replacement is required.
10. Should I reset the OBDII code P1722 after making repairs?
- Yes, it is recommended to reset OBDII code P1722 after making the necessary repairs to clear the fault code from the vehicle's system and ensure that the issue has been successfully addressed.
Discuss the causes and fixes for P1722 OBDII Code
-
Unfortunately, there are many things that could cause that problem (e.g. fuel, spark plugs, key). What model and year is your vehicle? What codes do you have?
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