P0315 Buick No Crank Sensor Learned
Possible causes
– Faulty Crankshaft Position (CKP)
– Crankshaft Position (CKP) sensor harness is open or shorted
– Crankshaft Position (CKP) sensor circuit poor electrical connection
– Damaged crankshaft pulse wheel teeth
– Crankshaft Position (CKP) sensor harness is open or shorted
– Crankshaft Position (CKP) sensor circuit poor electrical connection
– Damaged crankshaft pulse wheel teeth
Tech description
Visual inspection of the Crankshaft Position (CKP) sensor and crankshaft pulse wheel teeth for damage. If crankshaft teethes are OK, replaced the Crankshaft Position sensor.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine fails to start
– Engine runs rough
– Engine fails to start
– Engine runs rough
P0315 Buick Description
The Crankshaft Position (CKP) sensor signal is monitored by the Engine Control Module (ECM) for errors. The P0315 Buick code is set when ECM is unable to learn and correct for mechanical inaccuracies in crankshaft pulse wheel tooth spacing.
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera