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P1602 Diagnostic Trouble Code Discussion for November 2007

Powertrain Control Module Not Programmed

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Trouble Ticket Help Requests for DTC P1602
Help Request Posted
1996 Audi A6 2.8L MIL Lamp on VIN: WAUJA84A9T
P1602: VAG 18010 circuit 30 voltage too low. I have a recurring 18010 code which is indicating low 30 circuit voltage. Reading with Vag-com shows normal clear code and drive car no return code, until you shut the car off and restart it, and then it returns immediately. I have not pulled the ecm connector...
November 08, 2007
1999 Cadillac DeVille 4.6L No Start, MIL Lamp on, VIN: 1G6KD54Y1X
P1602: Loss Of EBTCM Serial Data. Vehicle won't start unless headlight switch is on. No dash activity unless headlight switch is on. Alarm sounds when anything is done... open door, turn ign, start eng. Trans is not shifting, 2nd gear only (no 12v). All fuses are good and have 12v. Relays chec...
November 12, 2007