Volkswagen DTC P1679 – Drive By Wire MIL Circuit Open Circuit
DTC P1679 meaning on Volkswagen
DTC P1679 on a Volkswagen indicates a fault in the Drive By Wire MIL (Malfunction Indicator Lamp) circuit due to an open circuit. This means that there is a break or interruption in the electrical connection that controls the drive-by-wire system, which can lead to issues with the vehicle’s throttle control.
Volkswagen DTC P1679 symptoms
Symptoms of DTC P1679 on a Volkswagen may include:
- Malfunction Indicator Lamp (MIL) illuminated on the dashboard
- Reduced engine power
- Unresponsive throttle pedal
- Vehicle going into limp mode
Volkswagen DTC P1679 causes
The common causes of DTC P1679 on a Volkswagen include:
- Open circuit in the drive-by-wire system wiring
- Faulty throttle position sensor
- Faulty accelerator pedal position sensor
- Faulty engine control module (ECM)
Volkswagen DTC P1679 seriousness
DTC P1679 should be taken seriously as it can affect the drivability of the vehicle and may lead to safety concerns. It is important to address this issue promptly to avoid potential accidents or further damage to the vehicle.
How to diagnose DTC P1679 on Volkswagen
To diagnose DTC P1679 on a Volkswagen, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s ECM
- Inspect the drive-by-wire system wiring for any breaks or damage
- Check the throttle position sensor and accelerator pedal position sensor for proper operation
- Test the ECM for any faults or malfunctions
How to fix DTC P1679 on Volkswagen
To fix DTC P1679 on a Volkswagen, the following steps may be taken:
- Repair any open circuits in the drive-by-wire system wiring
- Replace the faulty throttle position sensor or accelerator pedal position sensor
- If the ECM is faulty, it may need to be replaced or reprogrammed
How to erase DTC P1679 on Volkswagen
To erase DTC P1679 on a Volkswagen, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made, the codes can be reset, and the MIL light should turn off. It is important to ensure that the underlying issue causing the fault code has been addressed before clearing the codes.
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