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P1601 Diagnostic Trouble Code Discussion for February 2009

PCM Serial Communications Malfunction

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Trouble Ticket Help Requests for DTC P1601
Help Request Posted
1999 Jaguar XJR 4.0L MIL Lamp on VIN: SAJPX1840X
P1601: none in ids. Hey Guys, I am getting a hard code here that will not clear. My IDS has no info. on this code, I have read elsewhere that this is poss. serial commication problem between ECM and TCM... I have no codes in TCM Anyone have any ideas with this one before I start ...
February 04, 2009