Symptom:
BCM - IOD WAKE UP CLUSTER OUTPUT SHORT TO VOLTAGE
When Monitored and Set Condition:
BCM - IOD WAKE UP CLUSTER OUTPUT SHORT TO VOLTAGE
When Monitored: With the ignition in all positions.
Set Condition: The BCM output is active and detects that the Instrument Cluster Wake
Up circuit is shorted high for at least 125 milliseconds.
POSSIBLE CAUSES
INSTRUMENT CLUSTER WAKE UP SIGNAL CIRCUIT SHORT TO VOLTAGE
BODY CONTROL MODULE
INSTRUMENT CLUSTER
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the BCM C4 harness connector.
Disconnect the Instrument Cluster C1 harness connector.
Measure the voltage between the Instrument Cluster Wake Up Signal circuit and
ground.
Is there any voltage present?
All
Yes → Repair the Instrument Cluster Wake Up Signal circuit for a short
to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 Turn the ignition off.
Ensure the BCM C4 harness connector is connected.
Disconnect the Instrument Cluster C1 harness connector.
Measure the voltage between the Instrument Cluster Wake Up Signal circuit and
ground.
Is the voltage above 5.0 volts?
All
Yes → Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No → Replace and program the Body Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
255
IGNITION, POWER, ACCESSORY
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