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Home >> Cadillac >> 1992 >> Allante F7/ME9 >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Body Computer Module) >> Diagnostic Tests >> BCM DTC B119: Twilight Photocell Circuit >> Conditions For Setting Code

Conditions For Setting Code

WARNING: This page is about a different car, the 1990 Cadillac Allante. However, it is still accessible from the selected car via links, so may be relevant.

B119 will set if the ignition is on and the signal voltage indicates more than 98% (open circuit) or less than 3 % (short circuit). During the time the failure is present, a substitute light reading (indicating darkness) will be implemented to allow continued operation of the headlamps The measure of light reading BD44 will however, display the actual sensor reading.

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