Diagnostic Routine C

Diagnostic Routine C

Diagnostic Overview

B1319:11

Refer to Wiring Diagram Set 37 for schematic and connector information Electrical Diagrams.

Normal Operation and Fault Conditions

The BSIA (Brake Shift Interlock Actuator) system is controlled by the BCM (Body Control Module) and is activated when the BCM (Body Control Module) receives a brake pedal applied input.

DTC Fault Trigger Conditions






Pinpoint Test

NOTE: If the scan tool is unable to communicate with the PCM (Powertrain Control Module) or access the transmission PIDs (Parameter Identifications), REFER to Computers and Control Systems Information.

1. Read and record all DTCs (Diagnostic Trouble Codes)

1. Install the scan tool and record all DTCs (Diagnostic Trouble Codes).

Was DTC (Diagnostic Trouble Code) B1319:11 set?






2. Check BCM (Body Control Module) FUSE 18 (10A)

1. Ignition OFF.

2. Remove the BCM (Body Control Module) fuse 18 (10A).

3. Check the BCM (Body Control Module) fuse 18 (10A).

Is the resistance less than 5 ohms?






3. Check the BCM (Body Control Module) for an internal short

1. Disconnect the BCM (Body Control Module) C2280B.

2. Inspect for damaged or pushed out terminals.

3. Install a new fuse.

Did the fuse fail?






4. Check the BSIA (Brake Shift Interlock Actuator) power circuit for a short to ground

1. Disconnect the selector lever C2008.

2. Inspect for damaged or pushed out terminals.

3. Measure the resistance of circuit CET53 (BU/OG) from the selector lever C2008-3 to ground.





Is the resistance greater than 10,000 ohms?