C1571 Lexus Code - Vehicle Speed Signal Malfunction
Quick Answer
The Power Steering ECU receives vehicle speed signals from the Skid Control ECU via CAN communication. 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
- C1571 Lexus indicates Vehicle Speed Signal Malfunction.
- 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 C1571 Lexus Description
What are the Possible Causes of the DTC C1571 Lexus?
- Faulty Vehicle Speed Sensor
- Vehicle Speed Sensor harness is open or shorted
- Vehicle Speed Sensor circuit poor electrical connection
- Faulty Skid Control ECU
- Faulty Power Steering ECU
How to Fix the DTC C1571 Lexus?
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 C1571 Lexus 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 C1571 Lexus Code
1. What does the OBDII code C1571 mean on a Lexus?
C1571 indicates a "Vehicle Speed Signal Malfunction," meaning the vehicle's speed sensor is not transmitting accurate data to the control modules.
2. What are the common symptoms of code C1571 in a Lexus?
Symptoms may include erratic speedometer readings, ABS or traction control warning lights, and issues with cruise control operation.
3. What causes the C1571 code to appear in a Lexus?
Common causes include a faulty vehicle speed sensor, damaged wiring or connectors, or issues with the ABS or traction control system.
4. Can I drive my Lexus with the C1571 code active?
While the car may still be drivable, safety features like ABS or traction control may not work properly, so driving should be done cautiously and repairs should be prioritized.
5. How can I fix the C1571 code on my Lexus?
Repairs typically involve inspecting and replacing the speed sensor, repairing damaged wiring, or addressing issues in the ABS module.
6. How do I diagnose the C1571 code in a Lexus?
Use an OBDII scanner to confirm the code, visually inspect the speed sensor and wiring, and test the sensor's signal output with a multimeter if necessary.
7. Is the C1571 code related to the ABS system in a Lexus?
Yes, the code can be related to the ABS system, as the vehicle speed signal is often shared with ABS and traction control modules.
8. How much does it cost to fix the C1571 code on a Lexus?
The cost can range from $150 to $400, depending on whether the issue is with the speed sensor, wiring, or ABS module.
9. Can a faulty wheel speed sensor trigger the C1571 code on a Lexus?
Yes, a faulty or failing wheel speed sensor can contribute to the C1571 code if it affects the vehicle speed signal.
10. Will clearing the C1571 code fix the problem on my Lexus?
Clearing the code without addressing the underlying issue will only temporarily remove the warning and the code is likely to return.
Discuss the causes and fixes for C1571 Lexus OBDII Code
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