DTC P0315: The PCM is Unable to Learn Crankshaft Pulse Wheel tooth Spacing (Exceeded the Allowable Correction Tolerances)
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0315 - PCM IS UNABLE TO LEARN CRANKSHAFT PULSE WHEEL TOOTH SPACING (EXCEEDED ALLOWABLE CORRECTION TOLERANCES)
| Description: | The powertrain control module 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: | 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 | - | - | GO to HD: Misfire Detection Monitor STEP HD33. |