Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2019EXPLORER LIMITED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) - DTC P0234 - P0606DTC P0315 - CRANKSHAFT POSITION SYSTEM VARIATION NOT LEARNED
2019 Ford Explorer Limited, 3.5L Eng VIN 8, AWD
DTC P0315 - Crankshaft Position System Variation Not Learned
2019 Ford Explorer Limited, 3.5L Eng VIN 8, AWDSECTION DTC P0315 - Crankshaft Position System Variation Not Learned
DTC DESCRIPTION P0315 - CRANKSHAFT POSITION SYSTEM VARIATION NOT LEARNED
| Description: The PCM has not learned the crankshaft pulse wheel tooth spacing. This DTC disables the misfire monitor. | |||
Possible Causes:
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| Diagnostic Aids:
The misfire monitor neutral profile correction must be relearned after any engine rotational component installation or repair. Carry out the Misfire Monitor Neutral Profile Correction procedure using the scan tool. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Neutral Profile Correction. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.