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DTC B145D:11 [BODY CONTROL MODULE (BCM)]

DTC B145D:11 [BODY CONTROL MODULE (BCM)]


 id0902r7134600


Outline

System malfunction location

Closure motor circuit malfunction

Detection condition
•  Power liftgate (PLG) control module detected a short to ground in the closure motor signal circuit.
Preconditions
•  Closure motor is not operating.
Fail-safe
•  Stops the power liftgate (PLG) system operation.
Possible cause
•  Liftgate latch and lock actuator connector or terminal malfunction
•  Power liftgate (PLG) control module connector or terminal malfunction
•  Short to ground in closure motor signal circuit
•  Closure motor malfunction
•  Power liftgate (PLG) control module malfunction
•  Body control module (BCM) malfunction


Diagnostic Procedure

Step

Inspection

Results

Action

1
INSPECT LIFTGATE LATCH AND LOCK ACTUATOR CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
2
INSPECT POWER LIFTGATE (PLG) CONTROL MODULE CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
3
INSPECT CLOSURE MOTOR SIGNAL CIRCUIT FOR SHORT TO GROUND
•  Inspect the applicable circuit for a short to ground.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT CLOSURE MOTOR FOR MALFUNCTION
•  Inspect the applicable part.
•  Is the part normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
5
INSPECT POWER LIFTGATE (PLG) CONTROL MODULE FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Operate the power liftgate (PLG) system.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the power liftgate (PLG) control module, then go to the next step.
No
Go to repair completion verification 2.
Repair completion verification 1
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Operate the power liftgate (PLG) system.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction recurs, replace the body control module (BCM), then go to the next step.
No
Go to the next step.
Repair completion verification 2
VERIFY IF OTHER DTC IS DISPLAYED
•  Perform the DTC inspection.
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.