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Home >> Chevrolet >> 2008 >> Uplander Base, 3.9 1 >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B1271 >> Circuit/System Testing

Circuit/System Testing

Ignition ON the ignition, with the engine OFF. With a scan tool, clear the radio theft information and DTC. Cycle the ignition and verify the DTC did not reset.