GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 XLR 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 DTC B2910

Circuit Description

The steering column lock control module (SCLCM) will unlock the steering column if the power mode is on and the SCLCM and RCDLR passwords match.

Conditions for Running the DTC
    • DTCs B1327 or B1328 are not set as current.
    • The condition must be present for 300 ms.

Conditions for Setting the DTC

This DTC will set if the SCLCM password does not match RCDLR password.

Action Taken When the DTC Sets
    • Stores a DTC B2910 in the SCLCM memory.
    • The SCLCM will command the Service Column Lock Now to turn ON in the DIC.

Conditions for Clearing the MIL/DTC
    • The stored SCLCM password matches the password from the RCDLR.
    • Use a scan tool.

Step

Action

Yes

No

Schematic Reference: Column/Ignition Lock Schematics

Connector End View Reference: Steering Wheel and Column Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2
  1. Perform the steering column lock control module (SCLCM) setup. Refer to Control Module Setup .
  2. Use the scan tool in order to clear the DTCs.
  3. Turn ON the ignition, with the engine OFF.
  4. Check to see if B2910 resets in the SCLCM.

Does the DTC reset?

Go to Step 3

Go to Step 4

3

Important: Always perform the setup procedure for the SCLCM. Refer to Control Module Setup .

  1. Replace the steering column lock control module. Refer to Steering Column Lock Control Module Replacement .
  2. Perform the setup procedure for the steering column lock control module.

Did you complete the replacement?

Go to Step 4

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4
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC.

Does the DTC reset?

System OK

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