× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1601 Diagnostic Trouble Code Discussion for September 2008

PCM Serial Communications Malfunction

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

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