B2947

DTC B2947 Security System Sensor Power CKT Low:

CIRCUIT DESCRIPTION
The Theft Deterrent (VTD) Module supplies the reader exciter battery voltage at terminal B, CKT 1836 (YEL). The VTD module monitors this input to determine it it is within a valid operating range.

CONDITIONS FOR SETTING DTC
The ignition switch is in the ON position, the VTD module has detected that CKT 1459 (WHT) is shorted to ground for approximately 1 seconds or more.

ACTION TAKEN WHEN THE DTC SETS
^ Stores a DTC B2947 in the VTD module memory.
^ No driver warning message will be displayed for this DTC.

CONDITIONS FOR CLEARING DTC
^ The VTD module detects that CKT 1459 (WHT) is no longer shorted to ground for approximately 1 seconds or more.
^ A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction no longer present.
^ Use the On-Board clearing DTCs feature.
^ Use a scan tool.

DIAGNOSTIC AIDS
Check circuit 1459 (WHT) for a short to battery.

TEST DESCRIPTION
The numbers below refer to the step numbers on the diagnostic table:
1. Perform the Theft Deterrent System Diagnostic System Check before continuing with the diagnosis of this DTC.
2. Determines whether the malfunction is in the VTD module.
3. Determines whether the malfunction is in the circuit or the reader exciter.
7. Clear all DTCs after the repair procedure is complete.