P1693 GMC – Tachometer Circuit Low Voltage

P1692 GMC – Coolant Gage Circuit High Voltage

P1691 GMC – Coolant Gage Circuit Low Voltage

P1690 GMC – ECM Loop Overrun

P1689 GMC – Delivered Torque Circuit Fault

P1687 GMC – Driver 5 Line 7

P1674 GMC – Tachometer Control Circuit

P1673 GMC – Engine Hot Lamp Control Circuit

P1671 GMC – Driver 4 Line 1

P1672 GMC – Low Engine Oil Level Lamp Control Circuit

P1670 GMC – Driver 4

P1669 GMC – ABS Unit Expected

P1667 GMC – Reverse Inhibit Solenoid Control Circuit

P1665 GMC – Driver 3 Line 5

P1666 GMC – Driver 3 Line 6

P1664 GMC – 1-4 Upshift Lamp Control Circuit

P1663 GMC – Oil Life Lamp Control Circuit

P1661 GMC – MIL Control Circuit

P1662 GMC – Cruise Lamp Control Circuit

P1660 GMC – Cooling Fan Control Circuits