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DTC B2462 — Navigation RadioDiagnostic Instructions
DTC DescriptorsDTC B2462 01: Global Positioning System (GPS) Signal Short to BatteryDTC B2462 02: Global Positioning System (GPS) Signal Short to Ground DTC B2462 04: Global Positioning System (GPS) Signal Open Circuit DescriptionThe global positioning system (GPS) antenna is connected to the navigation radio by a shielded coaxial cable. The GPS antenna is powered through the same coaxial cable used to send signals to the navigation system. Conditions for Running the DTC
Conditions for Setting the DTCB2462 01The navigation radio detects a short to voltage in the GPS antenna signal circuit. B2462 02The navigation radio detects a short to ground in the GPS antenna signal circuit. B2462 04The navigation radio detects an open/high resistance in the GPS antenna signal circuit. Actions Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic AidsThe global positioning system (GPS) requires a clear line of sight to the sky to operate properly. In most cases the GPS will not have reception near tall buildings or inside structures. Reference InformationSchematic ReferenceRadio/Navigation System Schematics Connector End View ReferenceDescription and OperationRadio/Audio System Description and Operation Electrical Information ReferenceScan Tool ReferenceControl Module References for scan tool information. Circuit/System Testing
If not within the specified range, replace the A11 radio. If not within the specified range, replace the coax cable. Repair InstructionsPerform the Diagnostic Repair Verification after completing the diagnostic procedure.
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