P0315 - Crankshaft Position System Variation Not Learned
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 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 PCM is unable to learn and correct for mechanical inaccuracies in crankshaft pulse wheel tooth spacing. This DTC disables the misfire monitor. | |||
| Possible Causes: |
|
|||
| 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 | - | - | refer to PINPOINT TEST HD . | |