LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Jaguar
>>
2002
>>
XJR Base
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Trouble Code Identification
>>
DTC P0405: EGR Valve Drive Circuits Open Circuit
>>
Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Possible Causes
EGR valve power supply circuit open.
EGR valve to ECM drive circuit pair (EGR valve pins No. 1 and 4, 6 and 3), open or high resistance.
EGR valve failure (stepper motor open circuit).