Smart P2403.40h -

Use a multimeter to check for an "open circuit" in the wiring harness connected to the leak detection pump. Professional Diagnosis:

: If the car aborts a shift while parking, it may remain stuck "in gear" logically, causing the starter motor to lock out for safety. 🛠️ Root Causes of the P2403.40H Fault smart p2403.40h

: The vehicle will immediately fail any state emissions or OBD-II compliance check. The EVAP readiness monitor cannot complete its cycle while an active circuit open is present. Use a multimeter to check for an "open