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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> P0315 - Crankshaft Position System Variation Not Learned.

P0315 - Crankshaft Position System Variation Not Learned.

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P0315 - CRANKSHAFT POSITION SYSTEM VARIATION NOT LEARNED.

Description:  The powertrain control module (PCM) is unable to learn and correct for mechanical inaccuracies in crankshaft pulse wheel tooth spacing. This DTC disables the misfire monitor.
Possible Causes: 
  • Damaged crankshaft pulse wheel teeth
  • Damaged crankshaft position (CKP) sensor
Diagnostic Aids:  Requires visual inspection of the CKP sensor and the crankshaft pulse wheel teeth for damage.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - refer to PINPOINT TEST HD .
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