B1A20

B1A20 - Pre-Arm Timeout

For a complete wiring diagram, refer to.

• When Monitored: During the vehicle theft security system pre-arm process.

• Set Condition: If the vehicle theft security system pre-arm sequence is interrupted within sixteen seconds after securing the vehicle.






Test Step 1 - Determining if DTC is Current

• Diagnose any related communication DTCs before continuing.

• With a scan tool, read and record DTCs.

• With the scan tool, clear DTCs.

• Turn the ignition OFF and remove the key from the ignition.

• Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.

• Disarm the VTSS.

• Using the scan tool, read DTCs.

Does the DTC reset?

Yes

• Remove the cluster and inspect the fused B+ and both CAN interior bus circuits for spread terminals or intermittent opens.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• DTC is not active at this time. Test complete.