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P1621 Diagnostic Trouble Code Discussion for August 2007

Control Module Long Term Memory Performance

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Trouble Ticket Help Requests for DTC P1621
Help Request Posted
1996 Jaguar XJS 2+2 4.0L No Start VIN: SAJJPALG3B
P1621: do not know. ... workshop for no start. The ignition coil was disconected so we could check for spark and the car started. I managed to get a fault code p1621 but I do not know what that stands for. now the car starts all the time any suggestions would be appreciated on th...
August 08, 2007