Subaru TSB #02-171-18R
2017 Subaru Legacy
Affected Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM
- This bulletin provides a service procedure for installation of additional foam packing to enhance performance of the Ambient Air Temperature Sensor. The additional foam better insulates the sensor from engine compartment heat which may lead to setting a DTC P0072. This information is applicable to models with or without the Active Grill Shutter (AGS) system.