Volkswagen was recalling certain of the 2008 Passat model and 2009 Tiguan passenger vehicles equipped with 2.0T FSI ULEV II engines. These vehicles have and engine control module (ECM) containing software that may not properly control engine idle with the air conditioning turned on. In rare cases, the ECM may unexpectedly increase engine RPM.An engine surge caused by a unexpected increase in engine RPM may suprise the vehicle operator and can result in a crash without warning.
