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DTC B2462 does not set if DTC B1328 or B1327 is current. Conditions for Setting the DTC The navigation radio test the GPS antenna every 0.3 second. The radio determines there is an open in the GPS antenna. DTC B2462 does not set if DTC B1328 or B1327 is current. Action Taken When the DTC Sets Unable to get GPS location updated, the radio uses the last reported position and the vehicle Route guidance may be inaccurate. This failure has no effect outside the Navigation System. Conditions for Clearing the DTC A current DTC clears when the radio does not detect the failure for more than 10 seconds. A history DTC clears after 50 ignition cycles with no repeat of the failure. Diagnostic Aids An intermittent condition may be caused by the following: Mis-routed harness Rubbed through wire insulation Broken wire inside the insulation Test Description The numbers below refer to the step numbers on the diagnostic table. 1: Determines if the malfunction is present. 3: Determines if the malfunction is due to an internal fault in the navigation radio or a GPS DTC B2462 Step Action Values Yes No Schematic Reference: Radio/Navigation System Schematics
2007 Hummer H3 2007 ACCESSORIES AND EQUIPMENT Cellular, Entertainment and Navigation - H3
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