No Response From BCM (Body Control Module)

Test 1:

Tests 2 - 6:

Tests 7 - 11:

Test 12 - 13:

SYMPTOM
NO RESPONSE FROM BCM

TEST NOTE
This symptom is diagnosed using the test BATTERY POWER TO MODULE DISCONNECTED.

WHEN MONITORED:
Anytime battery voltage is above 10 volts and BCM is awake.

SET CONDITION:
Battery power to the BCM is disconnected while the ignition is on.

POSSIBLE CAUSES
- Fuse open
- Fused ignition switch output shorted to ground
- Ignition switch output circuit open
- Fused ignition switch output shorted to ground
- Ground circuit open
- Junction block internal power disconnect
- CCD bus (+) circuit open
- CCD bus (-) circuit open
- BCM blows RR wiper fuse
- BCM Communication failed
- BCM blows gauge fuse
- BCM internal power disconnect
- Fuse open
- Junction block connection open