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 pins.
The cost to diagnose the B1972 RAM code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The Primary Ratchet (Ajar) Switch must remain closed when the liftgate is fully open or between fully open and closed positions. The switch will open when the liftgate is fully closed and latched. This switch indicates when the latch is in the primary position. It is open when in primary and closed when out of the primary.
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