The issue, the corporate says, is that magnetic materials can delaminate from the floor of a tone wheel — a wheel with enamel mounted across the flywheel. The crank place sensor makes use of the tone wheel as a reference level to know when the engine management unit (ECU) begins the combustion course of. With out a working tone wheel, the crankshaft place sensor can’t perform, which makes the engine lose its timing.
That may make the engine stall repeatedly and even fail to restart.
The corporate says it is aware of of no accidents brought on by the difficulty however has acquired at the least 611 guarantee claims that had been associated to it.
The answer doesn’t contain a brand new tone wheel. As an alternative, Stellantis says, sellers will “replace the powertrain management module software program to take care of automobile propulsion by studying the camshaft place sign if crankshaft place sign is misplaced.”
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