Thursday, August 8, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 1


A L L Diagnostic Trouble Codes ( DTC ): B Code Charts



B0000



DTC B0000



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC B0000 5A



- Vehicle Speed Information Circuit Plausibility Failure



Diagnostic Fault Information



Circuit/System Description



The radio receives a vehicle speed signal from the electronic brake control module (EBCM) in order to correlate actual vehicle speed to the



movement of the vehicle calculated by the navigation system and reported serial data.



Conditions for Running the DTC



* Radio ON.



* Battery voltage must be between 9-16 volts.



Conditions for Setting the DTC



* Vehicle speed from serial data is more than 5 km/h (3 mph) and vehicle speed pulse from the EBCM is 0 km/h (0 mph).



* Vehicle speed calculated from the navigation processing software is more than 36 km/h (22 mph) and vehicle speed pulse from the EBCM is 0



km/h (0 mph) for 10 seconds continuously.



Action Taken When the DTC Sets



* Turn by turn route navigation may be inoperative.



* Vehicle indicated location may be inaccurate.



Conditions for Clearing the DTC



* The condition responsible for setting the DTC no longer exists.



* A history DTC clears after 100 malfunction-free ignition cycles.



Reference Information



Schematic Reference



Radio/Navigation System Schematics (See: Accessories and Optional Equipment/Diagrams/Electrical Diagrams/Radio/Navigation System



Schematics)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views)



Description and Operation



Navigation System Description and Operation (See: Accessories and Optional Equipment/Description and Operation/Navigation System



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

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