Audi DTC P0706 – Defective Transmission Range Sensor (PRNDL input), Defective Transmission Range Sensor (PRNDL input) wiring or connector, Defective Valve Body, Defective manual shift valve linkage, Dirty transmission fluid that restricts the hydraulic passages
DTC P0706 meaning on Audi
DTC P0706 refers to a malfunction in the Transmission Range Sensor (also known as the PRNDL input) in Audi vehicles. This sensor is responsible for providing the transmission control module with information about the current gear selection, such as Park, Reverse, Neutral, and Drive. When the sensor fails or sends incorrect signals, it can lead to improper transmission operation.
Audi DTC P0706 symptoms
Common symptoms associated with DTC P0706 may include:
- Transmission not shifting properly
- Inability to shift into certain gears
- Check Engine Light illuminated
- Erratic or unexpected gear changes
- Vehicle may go into limp mode
Audi DTC P0706 causes
Several factors can contribute to the occurrence of DTC P0706, including:
- Defective Transmission Range Sensor (PRNDL input)
- Faulty wiring or connectors related to the Transmission Range Sensor
- Defective Valve Body within the transmission
- Issues with the manual shift valve linkage
- Dirty transmission fluid that restricts hydraulic passages
Audi DTC P0706 seriousness
DTC P0706 is considered a serious issue as it can affect the vehicle’s drivability and safety. If the transmission does not operate correctly, it may lead to unexpected behavior while driving, increasing the risk of accidents. It is advisable to address this code promptly to ensure safe operation of the vehicle.
How to diagnose DTC P0706 on Audi
To diagnose DTC P0706, follow these steps:
- Use an OBD-II scanner to confirm the presence of DTC P0706.
- Inspect the Transmission Range Sensor and its wiring for any visible damage or corrosion.
- Check the electrical connectors for proper connection and signs of wear.
- Test the Transmission Range Sensor using a multimeter to ensure it is functioning within specifications.
- Examine the Valve Body and manual shift valve linkage for any mechanical issues.
- Inspect the transmission fluid for contamination or dirt that may restrict hydraulic passages.
How to fix DTC P0706 on Audi step-by-step instructions
To fix DTC P0706, follow these steps:
- Replace the defective Transmission Range Sensor if found faulty.
- Repair or replace any damaged wiring or connectors associated with the sensor.
- Service or replace the Valve Body if it is determined to be defective.
- Adjust or replace the manual shift valve linkage if necessary.
- Flush the transmission fluid and replace it with the manufacturer-recommended fluid to ensure proper hydraulic function.
- Clear the DTC using an OBD-II scanner and test drive the vehicle to confirm the issue is resolved.
How to erase DTC P0706 on Audi
To erase DTC P0706, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn the ignition to the “On” position without starting the engine.
- Access the diagnostic menu on the scanner and select the option to clear or erase trouble codes.
- Confirm the action and wait for the scanner to complete the process.
- Disconnect the scanner and start the vehicle to ensure the code does not reappear.
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