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P1602 Diagnostic Trouble Code Discussion for September 2008

Powertrain Control Module Not Programmed

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Trouble Ticket Help Requests for DTC P1602
Help Request Posted
2000 Buick LeSabre Limited 3.8L MIL Lamp on, AC COMP SHUTS OFF VIN: 1G4HR54KXY
P1602: loss of abs serial data. ... the abs, mil, security, traction control lites all illuminate. when they all come on, the compressor shuts off and fuel guage drops to empty. clear codes, all works fine for two-three minutes then starts again. only codes in memory are shown above (p1602 a...
September 15, 2008