Operation CHARM: Car repair manuals for everyone.

B3031



DTC B3031

CIRCUIT DESCRIPTION
The theft deterrent module (TDM) checks memory to see if the Learn Coded Key setting is ON. If so, the theft deterrent control module sets this DTC.

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B3031 Security System Controller in Learn Mode




This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description in Vehicle DTC Information. DTC Symptom Description

CONDITIONS FOR RUNNING THE DTC
- The ignition switch is in the ACCESSORY or RUN position.
- DTC B1325 03 or B1325 07 is not current.

CONDITIONS FOR SETTING THE DTC
If the Learn Coded Key setting is ON, the TDM sets this DTC.

ACTION TAKEN WHEN THE DTC SETS
The TDM will learn the key code. The security indicator will be illuminated for this DTC.

CONDITIONS FOR CLEARING THE MIL/DTC
The TDM clears the current status of the DTC when it does not see the Learn Coded Key setting as ON. The DTC will still be retrieved as current until the ignition switch is cycled OFF and then to ON. The DTC will then become a history DTC.

TEST DESCRIPTION

Step 1 - Step 5:




The number below refers to the step number on the diagnostic table.
2. To set this code, a key with a working transponder was read by the TDM. For that key to operate the vehicle, a 10-Minute or 30-Minute Re-Learn Procedure must be performed.