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 MANUALSFORD2013EXPEDITION EL KING RANCH, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS (EXCEPT DIESEL & HYBRID) - DTC P164A - P2A04, DTC U0046- U300CDTC U0300: INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
2013 Ford Expedition EL King Ranch, RWD
DTC U0300: Internal Control Module Software Incompatibility
2013 Ford Expedition EL King Ranch, RWDSECTION DTC U0300: Internal Control Module Software Incompatibility
DTC U0300: INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
| Description: | The electronic throttle control (ETC) system uses multiple microprocessors within the PCM, each having its own software level and function. The microprocessors must have the correct level of software in order to communicate and function together. This DTC sets when there are incompatible software levels within the PCM that control the ETC system. | ||
| Possible Causes: | |||
| Diagnostic Aids: | Verify the PCM is at the latest calibration level. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QE . | ||
RENDER: 1.0x
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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.