NHTSA ID Number: 10187813 Manufacturer Communication Number: 21B17   Summary In all of the affected vehicles, the installed high-output alternator and powertrain control module (PCM) calibration were not aligned. A mismatch between the alternator and PCM calibration could cause idle control issues such as engine speed fluctuations, which may cause customer dissatisfaction.     1 Affected Product ... Read more

The post Customer Satisfaction Program 21B17 – Alternator to Powertrain Control Module Calibration Mismatch – 2021 Ford Explorer first appeard on Ford & Lincoln - OEMDTC and is written by oemdtc