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 B1672 RAM 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 Primary Ratchet Switch must remain closed when the liftgate is fully open or between full open and closed positions. The switch will open when the liftgate is fully closed and latched. This switch indicates when the latch is in primary position. It is open when in primary and closed when out of primary. The OBDII code sets when the ratchet switch remains open during a power release operation or when the primary ratchet switch is detected open when the latch is unlatched (liftgate open).
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