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.
"EGR Temp.Sensor Range/Performance"
"Heated Catalyst Internal Control Module Checksum/ROM Error"
"Differential Pressure Feedback Electronic Sensor circuit Downstream Hose"
"DPFE Sensor Downstream Hose Off or Plugged"
"Turbo Pressure Sensor Range/Performance Problem."
Looking To Fix This Yourself?
By using a workshop/repair manual you could diagnose and even fix this issue yourself.
You can find a collection of free manuals containing loads of information specific to your car on our partner site.View Workshop/Repair/Service Manuals »
Popular Fault Codes
These are the most popular fault codes that people are searching for.
Intake Camshaft Position Actuator Circuit / Open (Bank 1)Read about code...
Intake Camshaft Position Timing - Over-Advanced (Bank 1)Read about code...
Intake Camshaft Position Timing - Over-Retarded (Bank 1)Read about code...
Exhaust Camshaft Position Actuator Circuit / Open (Bank 1)Read about code...
Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)Read about code...
Crankshaft Position Camshaft Position Correlation Bank 1 Sensor ARead about code...