A professional diagnostic approach is critical for accurate repair:
What is the of your Smart car?
The vehicle may refuse to crank because the computer cannot confirm that the transmission is safely in Neutral. smart p2403.40h
: Vibration from the Smart car's 3-cylinder engine can cause the female terminals inside the wiring plug to spread apart over time. This creates an unstable, intermittent connection that trips the .40h high-resistance subcode. Symptoms to Watch Out For A professional diagnostic approach is critical for accurate