B1349

DTC B1349

CIRCUIT DESCRIPTION
The body control module (BCM) ground circuits provide ground for the 2 Theater Dimming systems for interior lamps, brake transmission shift interlock (BTSI) solenoid, BCM electronics and the door locks.

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B1349 Device Ground {single or 1} (chassis ground 1) Circuit Open

CONDITIONS FOR RUNNING THE DTC
The BCM electronics ground must be connected to ground.

CONDITIONS FOR SETTING THE DTC
The BCM detects that any of its ground circuits are greater than 4 volts for longer than 300 milliseconds.

ACTION TAKEN WHEN THE DTC SETS
- The interior lamps do not function correctly.
- The brake transmission safety interlock may not function correctly.
- The door lock features may not operate correctly.
- The BCM stores DTC B1349 in memory.

CONDITIONS FOR CLEARING THE DTC
- A current DTC clears when the malfunction is no longer present.
- A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.

TEST DESCRIPTION

Steps 1 - 6:

The number below refer to the step number on the diagnostic table.
3. This step checks for an open in the ground circuits.