DTC B10D0:11 [BCM]


id0902f5414000

DESCRIPTION

Trunk lid opener switch (4SD)/liftgate opener switch (5HB) circuit malfunction

DETECTION CONDITION
•  Short to ground in the trunk lid opener switch (4SD)/liftgate opener switch (5HB) circuit when the ignition is ON.
POSSIBLE CAUSE
•  Trunk lid opener switch (4SD)/Liftgate opener switch (5HB) connector or terminals malfunction
•  BCM connector or terminals malfunction
•  Short to ground in wiring harness between the following terminals:
―  Trunk lid opener switch (4SD)/Liftgate opener switch (5HB) terminal B—BCM terminal 6O
•  Trunk lid opener switch (4SD)/Liftgate opener switch (5HB) malfunction
•  BCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
CONFIRM BCM DTC
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS when the ignition is ON.
•  Is the same DTC present?
Yes
Go to the next step.
No
Go to Step 7.
2
INSPECT TRUNK LID OPENER SWITCH (4SD)/LIFTGATE OPENER SWITCH (5HB) CONNECTOR AND TERMINALS
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the trunk lid opener switch (4SD)/liftgate opener switch (5HB) connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 6.
No
Go to the next step.
3
INSPECT BCM CONNECTOR AND TERMINALS
•  Disconnect the BCM connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 6.
No
Go to the next step.
4
INSPECT TRUNK LID OPENER SWITCH (4SD)/LIFTGATE OPENER SWITCH (5HB) CIRCUIT FOR SHORT TO GROUND
•  Trunk lid opener switch (4SD)/Liftgate opener switch (5HB) and BCM connectors are disconnected.
•  Inspect for continuity between the following terminal (wiring harness-side) and body ground:
―  Trunk lid opener switch (4SD)/Liftgate opener switch (5HB) terminal B
•  Is there continuity?
Yes
Repair or replace the wiring harness for a possible short to ground, then go to Step 6.
No
Go to the next step.
5
INSPECT TRUNK LID OPENER SWITCH (4SD)/LIFTGATE OPENER SWITCH (5HB)
•  Inspect the trunk lid opener switch (4SD)/liftgate opener switch (5HB).
•  Is there any malfunction?
Yes
Replace the trunk lid opener switch (4SD)/liftgate opener switch (5HB), then go to the next step.
No
Go to the next step.
6
VERIFY TROUBLESHOOTING COMPLETED
•  Make sure to reconnect the disconnected connectors.
•  Reconnect the negative battery cable.
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS when the ignition is ON.
•  Is the same DTC present?
Yes
Replace the BCM, then go to the next step.
No
Go to the next step.
7
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.