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DTC B1722 Circuit Description The Driver Door Module (DDM) and Passenger Door Module (PDM) switch the mirror fold motor control Conditions for Running the DTC z Battery voltage must be between 9.0-16.0 volts. z The ignition switch is in the ON position. z A mirror extend or retract function must be active. Conditions for Setting the DTC When the DDM or PDM switch the mirror fold motor control circuits to battery voltage and ground and one of Action Taken When the DTC Sets The DDM or PDM will stop suppling battery voltage and ground to the mirror fold motor and the folding Conditions for Clearing the DTC When the fault is no longer present, the door module changes the current DTC to a history DTC. The door DTC B1722 Step Action Value (s) Yes No Schematic Reference: Outside Mirror Schematics 1 Did you perform the Door Systems Diagnostic System - Go to Step 2 Go to Diagnostic System Check - Door Systems 2 1. Install a scan tool. 2. Turn ON the ignition, with the engine OFF. 3. Place the mirror select switch in the neutral/fold position. 4. Place the mirror direction switch in both the left/extend and right/retract positions. Does DTC B1722 set as a current DTC? - Go to Step 3 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
2004 Hummer H2 2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
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