P1406 Fault Code
You can find information about the P1406 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
Audi P1406
"EGR Temp.Sensor Range/Performance"
BMW P1406
"Heated Catalyst Internal Control Module Checksum/ROM Error"
Ford P1406
"Differential Pressure Feedback Electronic Sensor circuit Downstream Hose"
Chrysler P1406
"DPFE Sensor Downstream Hose Off or Plugged"
Toyota P1406
"Turbo Pressure Sensor Range/Performance Problem."
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