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P1599 Diagnostic Trouble Code Discussion for May 2004

A/C Pressure Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P1599
Help Request Posted
1995 Pontiac Bonneville SE 3.8L Hesitation VIN: 1G2HX52KXS
P1599: cruise power management. ... servo position error. Codes are P1568 & P1599.With the servo unplugged we had a servo position of 70% on our scan tool. It would at times drop to 35 or so for no apparent reason. Plugging it in it stays at 70%. We have 5...
May 07, 2004