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P1602 Diagnostic Trouble Code Discussion for April 2009

Powertrain Control Module Not Programmed

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Trouble Ticket Help Requests for DTC P1602
Help Request Posted
2004 Audi S4 Avant 4.2L MIL Lamp on VIN: WAUPL68E24
P1602: intermit. low battery voltage. has anyone run into a problem like this with a s4? the car seems to run fine. just the check engine light coming on! my scanner doesn't support data stream. so i just replaced the oxygen sensors going by the code got.
April 21, 2009