What Does the P0705 Code Mean?
The P0705 code indicates that there is an issue with the Transmission Range Sensor circuit. This sensor is responsible for communicating the current position of the transmission (such as park, reverse, neutral, and drive) to the vehicle’s control modules, which are essential for proper vehicle operation.
What Causes the P0705 Code?
Several factors can trigger the P0705 code, including:
- Defective Transmission Range Sensor (PRNDL input)
- Faulty wiring or connector of the Transmission Range Sensor
- Defective Valve Body
- Issues with manual shift valve linkage
- Dirty transmission fluid that restricts hydraulic passages
What Are the Symptoms of the P0705 Code?
If your vehicle displays the P0705 code, you may notice the following symptoms:
- Check Engine Light illuminated
- Vehicle may not shift properly
- Vehicle may not go into gear
- Decrease in fuel economy
- No noticeable adverse conditions in some cases
- Performance problems in certain circumstances
How Serious Is the P0705 Code?
The P0705 code is categorized as urgent, indicating that immediate action is necessary. Ignoring this code can lead to severe damage to the vehicle or pose safety risks to the driver and passengers.
How to Diagnose the P0705 Code
To diagnose the P0705 code effectively, follow these steps:
- Record freeze frame data when the code is set.
- Perform a test drive to replicate the conditions under which the code appears, ideally at speeds between 15-35 mph.
- Monitor the scan data to check if the Range Sensor provides accurate information to the TCM and PCM.
- Conduct pinpoint tests, including voltage drop and continuity tests of the Transmission Range Sensor.
- Check the transmission fluid for cleanliness and condition.
Common Repairs for the P0705 Code
Common repairs for addressing the P0705 code may include:
- Replacing the defective Transmission Range Sensor
- Repairing or replacing faulty wiring or connectors
- Cleaning or replacing the valve body if necessary
- Fixing manual shift valve linkage issues
- Changing dirty transmission fluid
How Much Does It Cost to Fix the P0705 Code?
The cost to fix the P0705 code can vary widely depending on the specific repairs needed. On average, expect to pay between $100 and $400, which may include parts and labor.
Can I Fix the P0705 Code Myself?
While some DIY enthusiasts may be able to address issues related to the P0705 code, proper diagnosis requires specialized knowledge and tools. If you are unfamiliar with automotive systems, it is advisable to consult a professional mechanic to avoid misdiagnosis and unnecessary repairs.
