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U1255 Diagnostic Trouble Code Discussion for September 2004

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1255
Help Request Posted
2000 Buick LeSabre Limited 3.8L No Start VIN: 1G4HR54K6Y
U1255: class 2 Loss Of communication. Intermittant no crank: Customer states display reads driver unknown. Vehicle may start at which time Volts, Fuel, Temp, Radio, Power locks, Air Bag Light are on and or system is inoperative. Removed back seat to get a closer look at power feeds & problem w...
September 17, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
U1255: no communication 24 cycles ago found this later. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 25, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
U1255: no communication 24 cycles ago found this later. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 27, 2004
2000 Buick LeSabre Limited 3.8L No Start VIN: 1G4HR54K6Y
U1255: class 2 Loss Of communication. Intermittant no crank: Customer states display reads driver unknown. Vehicle may start at which time Volts, Fuel, Temp, Radio, Power locks, Air Bag Light are on and or system is inoperative. Removed back seat to get a closer look at power feeds & problem w...
September 17, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
U1255: no communication 24 cycles ago found this later. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 25, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
U1255: no communication 24 cycles ago found this later. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 27, 2004