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Showing results for tags 'No bus'.
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This is rather long thanks for reading. My truck, 2002 quad cab 4x4 Superchips, Airdog, 4 inch Banks exhaust, 107,000 miles, automatic. I bought it new, has been a fantastic truck! About 5 weeks ago I started to install a new lower dash and a heater core. Disconnected the batteries, the main harness plug under the dash, took out instument cluster and unplugged all of the switches on the dash. Finally finished the dash, put everything back together, hooked up the batteries (they were disconnected for 5 weeks and they are in great shape).........Will crank and not start, tach is not working, fuel gauge does not move, got all the dash lights, odometer flashes and reads NO BUS, Can not connect with ECM through OBDII port, everything in the cab works. Here's what I have done; Removed and cleaned PCM, ECM, and all major harness plugs, checked every fuse in cab and under the hood, held odometer reset turned on key got 220, 221, 250 and 999, pushed button again after 999 it goes through some sort of test, tach, speedo and all gauges move up in stages and then peg. They go back down all the instrument cluster lights come on, key warning sound and it reads no bus! Fuel pump not coming on.......I am just about to take it to the dealer. Thank you in advance for any help!
