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Home >> Oldsmobile >> 1998 >> Intrigue GLS >> Repair and Diagnosis (Single Page) >> Body & Frame >> Body, Cab Control Systems >> Body Control Module >> Diagnostic Tests >> DTC U1064: Loss Of BCM Source Id 40 >> Circuit Description
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Circuit Description

BCM sends a State Of Health (SOH) message to each module connected to Class-II serial data line. DTC will set when BCM does not receive its own transmitted messages. No driver warning message will be displayed.

If conditions for malfunction no longer exist, history DTC will clear after 100 consecutive ignition cycles. DTC U1064 will also clear when scan tool is used to clear codes.

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