P1171 – Hyundai DTC

Hyundai DTC P1171 – Electronic throttle system (ETS), WOT – malfunction

DTC P1171 meaning on Hyundai

DTC P1171 on a Hyundai refers to a malfunction in the Electronic Throttle System (ETS) related to Wide Open Throttle (WOT) operation.

Hyundai DTC P1171 symptoms

• Reduced engine power
• Engine hesitation
• Difficulty accelerating
• Check Engine Light (CEL) illuminated

Hyundai DTC P1171 causes

• Dirty throttle body
• Faulty throttle position sensor
• Wiring issues in the ETS circuit
• Electronic throttle control module malfunction

Hyundai DTC P1171 seriousness

The DTC P1171 code should not be ignored as it can lead to drivability issues and potential safety concerns. It is recommended to address this issue promptly.

How to diagnose DTC P1171 on Hyundai

1. Use a diagnostic scanner to retrieve the trouble codes
2. Inspect the throttle body for dirt or carbon buildup
3. Check the throttle position sensor for proper operation
4. Inspect the wiring and connectors in the ETS circuit

How to fix DTC P1171 on Hyundai

1. Clean the throttle body to remove any deposits
2. Replace the throttle position sensor if faulty
3. Repair any damaged wiring or connectors in the ETS circuit
4. If necessary, replace the electronic throttle control module

How to erase DTC P1171 on Hyundai

1. After completing the necessary repairs, use a diagnostic scanner to clear the trouble codes
2. Ensure the issue has been resolved by driving the vehicle and checking for any recurrence of the DTC