Audi DTC P1704 – Kick Down Switch Malfunction
DTC P1704 meaning on Audi
DTC P1704 on an Audi indicates a malfunction in the kick-down switch circuit. The kick-down switch is a component that signals the transmission control module (TCM) when the driver wants to downshift for more power, typically by fully depressing the accelerator pedal.
Audi DTC P1704 symptoms
Symptoms of DTC P1704 on an Audi may include issues with the transmission shifting erratically or not downshifting properly when accelerating. The vehicle may also experience a lack of power or acceleration response when the kick-down switch is activated.
Audi DTC P1704 causes
The most common causes of DTC P1704 on an Audi are a faulty kick-down switch, damaged wiring or connectors in the kick-down switch circuit, or a malfunctioning TCM. It is essential to inspect these components thoroughly to determine the exact cause of the issue.
Audi DTC P1704 seriousness
While DTC P1704 may not cause immediate safety concerns, it can affect the drivability and performance of the Audi. Ignoring this issue can lead to further transmission problems and potentially more costly repairs down the line.
How to diagnose DTC P1704 on Audi
To diagnose DTC P1704 on an Audi, a mechanic would typically use a diagnostic scanner to retrieve the trouble codes stored in the TCM. They would then inspect the kick-down switch, wiring, and connectors for any visible damage or wear. Testing the kick-down switch’s functionality and checking the TCM for proper operation are also essential steps in the diagnostic process.
How to fix DTC P1704 on Audi
Fixing DTC P1704 on an Audi involves replacing the faulty kick-down switch if it is determined to be the cause of the issue. Repairing or replacing damaged wiring or connectors in the kick-down switch circuit may also be necessary. In some cases, recalibrating or replacing the TCM may be required to resolve the problem.
How to erase DTC P1704 on Audi
Once the underlying issue causing DTC P1704 on an Audi has been fixed, the trouble code can be erased using a diagnostic scanner. Clearing the code will reset the TCM’s memory and turn off the check engine light. It is important to ensure that the repair has been successful before clearing the code to prevent it from reoccurring.
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