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POWER DOORS - LIFTGATE
Symptom:
OVERHEAD LIFTGATE SWITCH INPUT STUCK - BCM
When Monitored and Set Condition:
OVERHEAD LIFTGATE SWITCH INPUT STUCK - BCM
When Monitored: Whenever the BCM is awake.
Set Condition: When the BCM senses a overhead liftgate switch input for over 10
seconds, this code will set.
DTC PRESENT
OVERHEAD LIFTGATE SWITCH
OVERHEAD LIFTGATE SWITCH SENSE WIRE SHORT TO GROUND
BODY CONTROL MODULE - OVERHEAD LIFTGATE SWITCH SENSE SHORTED
TEST
1
With the DRBIII , record and erase DTC's.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the Liftgate from the Overhead Console Switch.
With the DRBIII , read DTCs.
Does the DRBIII display OVERHEAD LIFTGATE SWITCH INPUT STUCK?
Yes → Go To 2
→ Using the wiring diagram/schematic as a guide, inspect the
No
2
With the DRBIII , erase DTCs.
Disconnect the Overhead Console Switch connector.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Wait 10 seconds.
With the DRBIII , read DTCs.
Does the DRBIII display OVERHEAD LIFTGATE SWITCH INPUT STUCK?
→ Replace the Overhead Liftgate Switch.
No
Yes → Go To 3
3
Disconnect the Body Control Module C3 connector.
Disconnect the Overhead Console Switch connector.
Measure the resistance of the Overhead Liftgate Switch Sense circuit to ground.
Is the resistance below 4000.0 ohms?
Yes → Repair the Overhead Liftgate Switch Sense wire for a short to
→ Replace the Body Control Module.
No
POSSIBLE CAUSES
ACTION
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
ground.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
768
APPLICABILITY
All
All
All
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