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4-Wheel Drive (4WD) Control Module Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
4-WHEEL DRIVE CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Source Action
B1342 ECU Is Defective 4WD Control Module REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .
P1804 4WD High Indicator Circuit Failure 4WD Control Module Go To PINPOINT TEST U: THE 4X4 HIGH, 4X4 LOW INDICATOR IS INOPERATIVE .
P1806 4WD High Indicator Short To Battery 4WD Control Module Go To PINPOINT TEST U: THE 4X4 HIGH, 4X4 LOW INDICATOR IS INOPERATIVE .
P1808 4WD Low Indicator Circuit Failure 4WD Control Module Go To PINPOINT TEST U: THE 4X4 HIGH, 4X4 LOW INDICATOR IS INOPERATIVE .
P1810 4WD Low Indicator Short to Power 4WD Control Module Go To PINPOINT TEST U: THE 4X4 HIGH, 4X4 LOW INDICATOR IS INOPERATIVE .

For a complete list of GEM and 4WD control module DTCs, REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .