B1673 - Driver Courtesy Lamp Control Circuit Low: Notes

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAM.

• >>When Monitored:<< Whenever the module is awake and the courtesy lamps are on.
• >>Set Condition:<< When the Driver Door Courtesy Lamp Driver circuit falls below 3.0 volts for over 1450 ms. and the above conditions are met, this code will set.

Possible Causes
(M43) DRIVER DOOR COURTESY LAMP SHORT TO GROUND
(M43) DRIVER DOOR COURTESY LAMP CIRCUIT SHORT TO THE (G920) MEMORY SELECT SWITCH RETURN CIRCUIT
(M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT SHORT TO THE (P114) AUTO DAY/NIGHT MIRROR (-) CIRCUIT
DRIVER DOOR COURTESY LAMP
DRIVER DOOR MODULE (DDM)