P1705 Lexus Code - Direct Clutch Speed Sensor Circuit Fault
Quick Answer
P1705 Lexus indicates Direct Clutch Speed Sensor Circuit Fault. Common causes include Faulty Direct Clutch Speed Sensor, Direct Clutch Speed Sensor harness is open or shorted, Direct Clutch 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
- P1705 Lexus indicates Direct Clutch Speed Sensor Circuit Fault.
- Common causes
- Common causes include Faulty Direct Clutch Speed Sensor, Direct Clutch Speed Sensor harness is open or shorted, Direct Clutch 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 P1705 Lexus Description
What are the Possible Causes of the DTC P1705 Lexus?
- Faulty Direct Clutch Speed Sensor
- Direct Clutch Speed Sensor harness is open or shorted
- Direct Clutch Speed Sensor circuit poor electrical connection
How to Fix the DTC P1705 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 P1705 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 P1705 Lexus Code
1. What does the OBDII code P1705 mean on a Lexus?
P1705 indicates a fault in the Direct Clutch Speed Sensor Circuit, which monitors the rotational speed of the direct clutch in the transmission.
2. What are the symptoms of a P1705 code in a Lexus?
Symptoms may include poor shifting, transmission slipping, delayed engagement, reduced fuel efficiency, and the Check Engine Light or transmission warning light turning on.
3. What causes the P1705 code to appear?
Common causes include a faulty direct clutch speed sensor, damaged wiring or connectors in the sensor circuit, or issues with the vehicle's transmission control module (TCM).
4. Can I drive my Lexus with a P1705 code?
Driving with a P1705 code is not recommended, as it may lead to further transmission damage or unsafe driving conditions due to erratic shifting.
5. How do I diagnose a Lexus with a P1705 code?
Diagnosis involves using a scan tool to confirm the code, inspecting the wiring and connectors for damage, testing the direct clutch speed sensor, and checking the TCM for faults.
6. How is a P1705 code fixed in a Lexus?
Repairs may include replacing the direct clutch speed sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the TCM.
7. How much does it cost to repair a P1705 code on a Lexus?
Costs can vary but typically range from $150 to $400 for sensor replacement, plus any additional costs for wiring repairs or TCM replacement if needed.
8. Can a low transmission fluid level cause a P1705 code?
While low fluid doesn’t directly cause P1705, it can lead to transmission performance issues that may trigger related codes or worsen existing faults.
9. Is the P1705 code specific to Lexus vehicles?
No, P1705 can appear on other vehicles as well, but its definition and the affected systems may vary. For Lexus, it specifically relates to the direct clutch speed sensor circuit.
10. Do I need to reset the ECU after fixing a P1705 code?
Yes, after repairs, it’s recommended to clear the code using a scan tool and test drive the vehicle to ensure the issue is resolved.
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