LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Jaguar
>>
2003
>>
XKR 2D Convertible
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Trouble Code Identification
>>
DTC P1609: ECM Microprocessor-To-Microprocessor Communication Failure
>>
Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Possible Causes
ECM FCCP (programming) circuit (ECM harness connectors EM80 terminal No. 19 or 27) shorted to ground.
ECM failure.