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P1601 Diagnostic Trouble Code Discussion for September 2008

PCM Serial Communications Malfunction


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Trouble Ticket Help Requests for DTC P1601
Help Request Posted
1996 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NES2T6T
P1601: PCM Serial Communications Malfunction. I have tried the relearn process of leaving the koeo for 10-15 minutes no luck I checked the airbag module for corrosion none even left unhooked to try to start (per info on Napafix) have no scan tool to communicate with cluster ( so I am sol there) the key fo...
September 04, 2008
1998 Jaguar XJR 4.0L MIL Lamp on VIN: SAJPX1842W
P1601: . Hello Jaguar Techs This XJ-R sets a P1601 code intermittently and turns on the MIL. The only scanners we have for this car are a Launch and a snap-on in generic obd-2 mode. The description for this engine code says refer to transmission diagnostics. There are ...
September 29, 2008
1996 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NES2T6T
P1601: PCM Serial Communications Malfunction. I have tried the relearn process of leaving the koeo for 10-15 minutes no luck I checked the airbag module for corrosion none even left unhooked to try to start (per info on Napafix) have no scan tool to communicate with cluster ( so I am sol there) the key fo...
September 04, 2008
1998 Jaguar XJR 4.0L MIL Lamp on VIN: SAJPX1842W
P1601: . Hello Jaguar Techs This XJ-R sets a P1601 code intermittently and turns on the MIL. The only scanners we have for this car are a Launch and a snap-on in generic obd-2 mode. The description for this engine code says refer to transmission diagnostics. There are ...
September 29, 2008