P0705 – Audi DTC

Audi DTC P0705 – 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 P0705 meaning on Audi

DTC P0705 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 (Park, Reverse, Neutral, Drive). When the sensor fails or sends incorrect signals, it can lead to improper shifting or other transmission-related issues.

Audi DTC P0705 symptoms

Common symptoms associated with DTC P0705 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 P0705 causes

Several factors can lead to the occurrence of DTC P0705, 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 P0705 seriousness

DTC P0705 is considered a serious issue as it can affect the vehicle’s ability to shift gears properly. This can lead to:

• Increased wear and tear on the transmission
• Potential for complete transmission failure
• Safety risks due to loss of control over vehicle speed

How to diagnose DTC P0705 on Audi

To diagnose DTC P0705, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC P0705.
2. Inspect the Transmission Range Sensor and its wiring for damage or corrosion.
3. Check the voltage and ground signals at the sensor connector.
4. Examine the Valve Body for any signs of malfunction.
5. Inspect the manual shift valve linkage for proper operation.
6. Check the condition of the transmission fluid and replace if dirty.

How to fix DTC P0705 on Audi step-by-step instructions

To fix DTC P0705, follow these steps:

1. Disconnect the battery to ensure safety.
2. Inspect and replace the Transmission Range Sensor if defective.
3. Repair or replace any damaged wiring or connectors.
4. Service the Valve Body if it is found to be defective.
5. Adjust or replace the manual shift valve linkage as necessary.
6. Change the transmission fluid and filter to ensure proper flow.
7. Reconnect the battery and clear the DTC using an OBD-II scanner.

How to erase DTC P0705 on Audi

To erase DTC P0705, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the DTC menu on the scanner.
4. Select the option to clear or erase the codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and start the vehicle to check for reoccurrence of the code.

Recommended tools for Audi diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.