Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost to diagnose the B0785 Cadillac code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Two Wheel Drive High Range (2HI) indicator circuit consists of an LED dimming supply circuit and a 2HI indicator control circuit. When the 2HI mode is selected, current is supplied to the 2HI indicator by the LED dimming supply circuit, traveling through the 2HI LED indicator, at which time the transfer case shift control module supplies the ground through the 2HI indicator control circuit.
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