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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 450 (Mirror System) >> Diagnostic Information and Procedures >> DTC B1580 or B1590 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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B1580 

An improper voltage level is seen on the Driver/Passenger Mirror Horizontal Position Sensor Signal circuit.

B1590 

An improper voltage level is seen on the Driver/Passenger Mirror Vertical Position Sensor Signal circuit.