FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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No Response From BCM (Battery Power Disconnected)

Test 1 - 2:




Test 3 - 9:




SYMPTOM
NO RESPONSE FROM BCM (BAT PWR DISCON'D)

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

POSSIBLE CAUSES
- BCM defect - fused IGN SW out
- BCM Fused IGN SW out CKT SHRT to GND - BCM
- BCM CCD BCM ground circuit open
- BCM BCM defect
- BCM Fuse # 11 defective
- BCM No response IGN SW output voltage
- BCM No response fused B+ volt low
- BCM No response fused IGN output voltage