B153B CADILLAC - Liftgate Open Switch Signal Circuit
B153B CADILLAC Possible Causes
- Faulty Liftgate Motor Assembly
- Liftgate Motor Assembly harness is open or shorted
- Liftgate Motor Assembly circuit poor electrical connection
- Faulty Liftgate Control Module (LGM)
How do I fix code B153B CADILLAC?Check 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.
B153B 05 Liftgate Open Switch Signal Circuit Open
Cost of diagnosing the B153B CADILLAC code
Labor: 1.0The cost of diagnosing the B153B CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B153B CADILLAC DescriptionThe full open switch is part of the gear motor assembly and will close and become active when the liftgate reaches the full open position. The full open switch signal circuit is supplied battery voltage through a resistor and monitored within the Liftgate Control Module (LGM). The Liftgate Control Module provides a low reference circuit and when the switch contacts close, the signal circuit goes low and the LGM determines the switch to be active.
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