HYUNDAI
21-01-075H
Manufacturer communications
- Publication date
- 2021-12-09
- Received by NHTSA
- 2022-01-08
- NHTSA record numbers
- 10206359
Manufacturer summary
Original wording in English
Certain 2020-22MY Sonata (DN8a), 2021-22MY Santa Fe (TMa), and 2022MY Tucson (NX4/NX4a) vehicles equipped with 2.5L engine may exhibit a MIL with DTC(s):
• P2074: Mass Airflow Sensor Plausibility
• P2074F0: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Lower Load
• P2074F1: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Medium or High Load Secondary DTC(s) below may also be stored:
• C136081: ESP Irreversible Error
• C161308: CAN Signal Error EMS
• C161386: CAN Signal Error EMS
• C169381: Blind-Spot Collision Warning – CAN signal failure - ESC
• C174181: ESC Not Available VSM (Check ESC)
• C183586: CAN Message Failure ESC/IEB Vehicles diagnosed with DTC(s) may also experience reduced engine performance and limited power reduction mode. The ECM software revises the logic to accurately detect the amount of air the engine is receiving.
• P2074: Mass Airflow Sensor Plausibility
• P2074F0: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Lower Load
• P2074F1: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Medium or High Load Secondary DTC(s) below may also be stored:
• C136081: ESP Irreversible Error
• C161308: CAN Signal Error EMS
• C161386: CAN Signal Error EMS
• C169381: Blind-Spot Collision Warning – CAN signal failure - ESC
• C174181: ESC Not Available VSM (Check ESC)
• C183586: CAN Message Failure ESC/IEB Vehicles diagnosed with DTC(s) may also experience reduced engine performance and limited power reduction mode. The ECM software revises the logic to accurately detect the amount of air the engine is receiving.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Hyundai
C169381Blind-Spot Collision Warning – CAN signal failure - ESC •Hyundai
P2074Mass Airflow Sensor Plausibility •Hyundai
P2074F0Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Lower Load •Hyundai
P2074F1Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Medium or High Load Secondary DTC(s) below may also be stored: •Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.