Description:

This diagnostic trouble code, JDL 299619.31, is triggered when the Personal Identification Number (PIN) for the cellular service is not recognized, leading to the PIN being blocked. This indicates an issue with the SIM card security settings.

Reaction:

When this error code is triggered, the equipment may be unable to access the cellular network, affecting remote communication and data transmission.

Recommendations:

Verify PIN:

• Ensure that the correct PIN is being used for the SIM card. Double-check the PIN entered in the control unit settings.

Reset PIN:

• If the PIN is blocked, use the PUK (Personal Unblocking Key) code provided by the network service provider to reset the PIN.

Consult Network Provider:

• Contact the network service provider for assistance in unblocking the PIN or obtaining the correct PUK code.

Update Control Unit Settings:

• Ensure that the control unit settings are correctly configured to use the new PIN after resetting it.

Consult Technical Support:

• If the issue persists after performing the above steps, consult the network provider’s or manufacturer’s technical support for further assistance.
• Provide the diagnostic trouble code and any relevant information gathered during the inspection.

Note:

Blocked PIN issues can prevent access to the cellular network. Ensuring correct PIN usage and knowing how to reset it with the PUK code can help maintain continuous communication.