Audi DTC P1771 – Load Signal Stuck Off
DTC P1771 meaning on Audi
DTC P1771 on an Audi indicates that the Load Signal is stuck off. This means that the Engine Control Module (ECM) is not receiving the expected signal related to the engine load, which can affect the performance and efficiency of the vehicle.
Audi DTC P1771 symptoms
Symptoms of DTC P1771 on an Audi may include:
- Check Engine Light illuminated
- Reduced engine power
- Poor fuel efficiency
- Difficulty shifting gears
Audi DTC P1771 causes
Common causes of DTC P1771 on an Audi include:
- Defective engine load sensor
- Faulty wiring or connectors related to the load signal
- Issues with the ECM
Audi DTC P1771 seriousness
DTC P1771 should not be ignored as it can lead to poor engine performance and reduced fuel efficiency. It is recommended to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P1771 on Audi
To diagnose DTC P1771 on an Audi, you can:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the engine load sensor and related wiring for any visible damage
- Perform a thorough inspection of the ECM and its connections
How to fix DTC P1771 on Audi
To fix DTC P1771 on an Audi, you may need to:
- Replace the faulty engine load sensor
- Repair or replace any damaged wiring or connectors
- Reset the ECM and clear the fault codes
How to erase DTC P1771 on Audi
To erase DTC P1771 on an Audi, you can:
- Use a diagnostic scanner to clear the fault codes
- Ensure that the underlying issue causing the fault code has been addressed
- Perform a test drive to confirm that the issue has been resolved
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.