P0315 - Crankshaft Position System Variation Not Learned
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
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: |
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| Diagnostic Aids: | Visual inspection of the CKP sensor and crankshaft pulse wheel teeth for damage. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to PINPOINT TEST HD . |