ECM Reprogramming for DTC P1603 / Engine Idle Drop or Stall – 2017-2019 Subaru Impreza & 2018-2019 Crosstrek
NHTSA ID Number: 10144878 Manufacturer Communication Number: WTT-79R Summary Subaru of America, Inc. (SOA) is initiating a service program for certain 2017-2019 MY Impreza vehicles, and certain 2018-2019 MY Crosstrek vehicles. This service program involves installation of reprogramming files to optimize the ECM. Subaru has determined that due to an engine programming issue, the affected vehicles may … Read more