2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 586
Conditions for Running the DTC
* Ignition is in the RUN or ACC position.
* System voltage is between 9.5 V and 15.5 V.
* The above conditions are present for greater than 1 second.
Conditions for Setting the DTC
B2462 02
The telematics communication interface control module detects a short to ground on the navigation antenna signal circuit.
B2462 04
The telematics communication interface control module detects an open/high resistance on the navigation antenna signal circuit.
Action Taken When the DTC Sets
* The OnStar(R) status LED turns red.
* The OnStar(R) Call Center cannot locate the vehicle.
Conditions for Clearing the DTC
* The condition responsible for setting the DTC no longer exists.
* A history DTC will clear once 50 consecutive malfunction-free ignition cycles have occurred.
Reference Information
Schematic Reference
* OnStar Schematics (See: Accessories and Optional Equipment/Diagrams/Electrical Diagrams/OnStar Schematics)
* Antenna Coaxial/Connector Cable Identification Table (See: Accessories and Optional Equipment/Antenna/Antenna, Radio/Antenna
Cable/Application and ID)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
OnStar Description and Operation (See: Accessories and Optional Equipment/Description and Operation/OnStar Description and Operation)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Special Tools
EL-49903 GM OnStar Antenna Diagnostic Tool Kit
Circuit/System Verification
Note: The following verification requires the vehicle to be outside with an unobstructed view of the southern sky. Allow 5 minutes after turning
key on for the GPS satellites to acquire vehicle signal.
Ignition ON, wait 5 minutes, then contact the OnStar call center consultant by pressing the blue OnStar button. A call center consultant should
answer the call, verifying the vehicle OnStar system is functioning and the consultant can locate the vehicle.
Circuit/System Testing
1. Ignition OFF, disconnect both the GPS and cell coax cable connectors at the K73 telematics communication interface control module.
2. Connect the EL-49903 to the K73 telematics communication interface control module, place the test antenna on the roof of the vehicle.
Mercedes Benz Diagnostic and Repair Information ,Wiring Diagrams. DTC. TSB. Types: TSB, DTC, Wiring Diagrams, OEM Procedures. Trusted by more than 400,000 technicians. OEM accurate fix for faster repairs. Repair Procedures and Labor Times. Factory Auto Repair info. Request A Demo Today. Factory-Correct Diagrams. Factory Part Numbers. Maintenance Schedules. Repair Procedures. Labor Times. Types: TSB, DTC.Mercedes,Mercedes,Benz,Mercedes-Benz UK,A,Class,B,Class,C,Class,E,Class,CLA,CLS,G,Class,GLA,A
Sunday, December 1, 2019
2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 586
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