Audi DTC P1793 – Output Speed Sensor 2 Circuit No Signal
DTC P1793 meaning on Audi
The Diagnostic Trouble Code (DTC) P1793 for Audi indicates a fault in the Output Speed Sensor 2 Circuit, specifically signaling a lack of signal from the sensor. This sensor is responsible for monitoring the speed of the output shaft of the transmission.
Audi DTC P1793 symptoms
Symptoms of DTC P1793 on an Audi may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. The Check Engine Light may also be illuminated on the dashboard.
Audi DTC P1793 causes
The causes of DTC P1793 on an Audi can vary, but common reasons include a faulty output speed sensor, damaged wiring or connectors in the sensor circuit, or issues with the transmission control module.
Audi DTC P1793 seriousness
Ignoring DTC P1793 on an Audi can lead to further damage to the transmission system and potentially result in costly repairs. It is important to address this issue promptly to prevent any long-term damage.
How to diagnose DTC P1793 on Audi
To diagnose DTC P1793 on an Audi, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the output speed sensor and its wiring. Testing the sensor’s resistance and checking for proper voltage supply are common diagnostic steps.
How to fix DTC P1793 on Audi
Fixing DTC P1793 on an Audi may involve replacing the faulty output speed sensor, repairing any damaged wiring or connectors, or addressing issues with the transmission control module. It is recommended to follow the manufacturer’s repair procedures and use quality replacement parts.
How to erase DTC P1793 on Audi
Once the underlying issue causing DTC P1793 on an Audi has been fixed, the fault code can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow the vehicle’s onboard computer to monitor the system for any new faults.
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