GM Service Manual Online
For 1990-2009 cars only

Conditions for Setting the DTC

The signal received by the BCM from the remote control door lock transmitter was valid. No malfunctions are detected by the BCM.

Action Taken When the DTC Sets

The remote control door lock transmitter and the BCM functions operate normally.

Conditions for Clearing the DTC

DTC 41 is set when all of the following conditions occur:

    • The BCM is in the diagnostic mode.
    • Any button on the remote control door lock transmitter is pressed.
    • The BCM and the remote control door lock transmitter are operating correctly.

DTC 41 is automatically cleared after it is displayed. Any button on the remote control door lock transmitter must be pressed again to display DTC 41 again.

Step

Action

Yes

No

1

Did you perform the Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

Attempt to operate all of the remote functions using the transmitter.

Do all of the transmitter functions operate properly?

Go to Step 3

Go to Keyless Entry System Inoperative

3

Important: Perform the set up procedure for the body control module (BCM).

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

System OK

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