B1482
DTC B1482
Circuit Description
Battery rundown protection, inadvertent power, is controlled by the body control module (BCM). Should any device remain ON, the BCM will turn inadvertent power OFF after 20 minutes to conserve battery energy. If a problem is detected on the inadvertent power supply circuit, this DTC sets.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC B1482 Battery Rundown Protection Circuit Low
Conditions for Running the DTC
The interior lamps are active.
Conditions for Setting the DTC
Any of the following conditions will set this DTC:
* The inadvertent power supply circuit is open or shorted to ground.
* The battery positive voltage circuit of the BCM is open or shorted to ground.
Action Taken When the DTC Sets
Interior lamps are inoperative.
Conditions for Clearing the DTC
* The conditions for setting the DTC are no longer present.
* A history DTC clears after 100 malfunction-free ignition cycles.
* The BCM receives the clear code command from the scan tool.
Diagnostic Aids
* An open BCM ELECT fuse in the integrated body control module (IBCM) will cause DTC B1482 to set.
* If the DTC is a history DTC, the problem may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections. Component Tests and General Diagnostics
Test
