OBD-II
P1044
EMPCD P3 (exhaust air pressure before turbine) controller feedback monitor, VGT actuation limited symptom (high limit)
What it means
The Engine Control Module (ECM) has detected that the Variable Geometry Turbocharger (VGT) actuator cannot travel to its commanded 'High' position, indicating a physical or electrical limitation in exhaust pressure control.
Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes