GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 XLR 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 DTC B2463

Circuit Description

The circuitry is internal to the navigation radio.

Conditions for Running the DTC

The navigation radio runs the diagnostic trouble code (DTC) when a map DVD is inserted into the radio or when the radio detects a transition from OFF-ASLEEP to ACC, ON or RAP.

DTC B2463 does not set if DTC B1328 or B1327 is current.

Conditions for Setting the DTC
    • The navigation radio functions are activated with no navigation DVD in the navigation radio DVD slot.
    • DTC B2463 does not set if DTC B1328 or B1327 is current.

Action Taken When the DTC Sets
    • No map appears on the navigation radio when the MAP button located beside the display is pressed.
    • The PLEASE INSERT MAP DVD message appears on the navigation radio screen.
    • The navigation buttons do not function.
    • This failure has no effect outside the system navigation functions.

Conditions for Clearing the DTC

A current DTC clears when the navigation radio detects a navigation DVD.

Diagnostic Aids

Important: If DTC B2465 is also set, service B2465 before servicing B2463.

Make sure the DVD installed is a navigation system map DVD defined for this system. Also be sure the label is on the top side of the installed DVD.

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. Determines if the malfunction is present.

    2.

  2. Determines if the malfunction was due to no map DVD in the navigation module DVD player.

Step

Action

Yes

No

1

Did you perform Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

Insert the map DVD into the DVD player behind the sliding cover on the navigation radio. Make sure the DVD is positioned correctly.

Did you complete the installation of the DVD?

Go to Step 3

--

3
  1. Use the scan tool in order to clear the diagnostic trouble code (DTC).
  2. Disconnect the scan tool.
  3. Turn OFF the ignition.
  4. Open then close the driver door to disable the retained accessory power (RAP) function.
  5. Do not activate any vehicle functions for one minute.
  6. Turn ON the ignition with the engine off.
  7. Remove and reinsert the map DVD.
  8. Install a scan tool.
  9. Check for DTC B2463.

Does the DTC reset?

Go to Step 4

Go to Step 5

4

Replace the navigation radio. Refer to Radio Replacement in Entertainment.

Did you complete the repair?

Go to Step 5

--

5
  1. Use the scan tool in order to clear the DTC.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.

Does the DTC reset?

Go to Step 2

System OK