P0705 Lexus Code - Transmission Range Sensor Circuit Malfunction
Quick Answer
These Diagnostic Trouble Codes (DTC) indicate a problem with the Park/Neutral Position (PNP) Switch assembly and the wire harness in the Park/Neutral Position Switch assembly circuit. Common causes include Faulty Park/Neutral Position Switch, Misadjusted Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted. 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
- P0705 Lexus indicates Transmission Range Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty Park/Neutral Position Switch, Misadjusted Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted.
- 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 P0705 Lexus Description
The Park/Neutral Position Switch assembly detects the shift lever position and sends signals to the Engine Control Module (ECM).
For safety, the Park/Neutral Position Switch assembly detects the shift lever position so that the engine can be started only when the shift lever is in P or N.
The Park/Neutral Position Switch assembly sends a signal to the ECM according to the shift lever position (P, N, NSW, R, D or S). The ECM determines that there is a problem with the switch or related parts if it receives more than 1 position signal simultaneously. The ECM will turn on the MIL and store the DTC.
What are the Possible Causes of the DTC P0705 Lexus?
- Faulty Park/Neutral Position Switch
- Misadjusted Park/Neutral Position Switch
- Park/Neutral Position Switch harness is open or shorted
- Park/Neutral Position Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0705 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 P0705 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 P0705 Lexus Code
1. What are the common symptoms of OBDII code P0705 in a Lexus related to the Transmission Range Sensor Circuit Malfunction?
- Common symptoms include issues shifting gears, the transmission being stuck in a single gear, difficulty starting the vehicle, and the check engine light illuminating.
2. What are the possible causes of the P0705 code in a Lexus?
- The code P0705 can be caused by a faulty transmission range sensor, damaged wiring or connectors in the sensor circuit, low transmission fluid levels, or a malfunctioning transmission control module.
3. How can I diagnose the source of the P0705 code in my Lexus?
- To diagnose the issue, you can perform a visual inspection of the transmission range sensor and its wiring, check the transmission fluid levels, use a multimeter to test the sensor's voltage, and scan the vehicle for other related trouble codes.
4. Can I continue driving my Lexus with the P0705 code present?
- It is not recommended to drive your vehicle with the P0705 code present, as it can lead to further transmission damage and potentially unsafe driving conditions. It is advised to address the issue promptly.
5. What are the repair options for fixing the P0705 code in a Lexus?
- Repair options may include replacing the transmission range sensor, repairing or replacing damaged wiring or connectors, topping up transmission fluid, or reprogramming the transmission control module.
6. How much does it typically cost to repair the P0705 code in a Lexus?
- The cost of repairing the P0705 code can vary depending on the exact cause of the issue, but it may range from $100 to $500 for parts and labor, with potential additional costs for diagnostic tests.
7. Can I reset the P0705 code in my Lexus without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it is not recommended to do so without addressing the root cause of the problem, as it may lead to recurring issues and potential safety hazards.
8. How long does it take to repair the P0705 code in a Lexus?
- The repair time for the P0705 code can vary based on the specific repair needed, but it typically takes a few hours to a full day for a qualified mechanic to diagnose and fix the issue.
9. Are there any preventative maintenance tips to avoid the P0705 code in a Lexus?
- To prevent the P0705 code, it is recommended to regularly check and maintain the transmission fluid levels, inspect the transmission range sensor and wiring for damage, and address any transmission issues promptly.
10. Can a DIY enthusiast fix the P0705 code in a Lexus?
- Depending on your mechanical skills and tools available, some DIY enthusiasts may be able to diagnose and fix the P0705 code themselves, but it is recommended to consult a professional mechanic for accurate diagnosis and repair.
Discuss the causes and fixes for P0705 Lexus OBDII Code
-
I had this code appear on my 2015 Lexus ES 350 & I took the car to the Lexus dealership in Overland Park, KS and all the fixes cited was not the problem. The reason for my code was simply a blown 7.5 Amp fuse under the dashboard. That was it! All fixed, no issues, just that little fuse blew out, so I suggest starting there first. Its worth your time and anxiety to start simple then move into more complex issues. I really hope that helps somebody in the future.
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