Smart P2403.40h -

: This means there is a break in the wiring, a bad connector, or an internal failure in the pump sensor that prevents the electrical signal from reaching the car's computer. Common Symptoms Check Engine Light (EML)

Since you requested a "good post" looking at this specific hardware, I have written a detailed, blog-style review/analysis of the . smart p2403.40h

A: Then the "P" stands for "Portable" or "PCIe mini." Your cross-reference is SMART Modular mSATA 240GB wide temp . Order part number SMF24S5M-I (M = mSATA). : This means there is a break in

Based on diagnostic data for Smart diesel engines, the code family suggests the following: Generally relates to the Evaporative Emission (EVAP) Order part number SMF24S5M-I (M = mSATA)

The internal diaphragm or reed switch in the pump may be stuck or failed. Wiring Issues: