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P0315 Diagnostic Trouble Code Discussion for October 2014

Crankshaft Position Sensor Variation Not Learned

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Trouble Ticket Help Requests for DTC P0315
Help Request Posted
2007 Jeep Patriot Limited 2.4L MIL Lamp on VIN: 1J8FF28W37
P0315: Crankshaft Position Sensor Not Learned. Car came in with these codes and 2 qt low on oil. Changed exhaust cam sensor and crank sensor. Performed oil flush. Scoped crank and cam sensor signals. Timing appears to be good, using know good waveform. There is a voltage spike occuring with regular frequen...
October 11, 2014