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 MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P1780: - TRANSMISSION CONTROL SWITCH (TCS) OUT OF SELF-TEST RANGE
2009 Ford Fusion SEL, 3.0 1, FWD
DTC P1780: - Transmission Control Switch (TCS) Out Of Self-Test Range
2009 Ford Fusion SEL, 3.0 1, FWDSECTION DTC P1780: - Transmission Control Switch (TCS) Out Of Self-Test Range
DTC P1780: - TRANSMISSION CONTROL SWITCH (TCS) OUT OF SELF-TEST RANGE
| Description: | During key on engine running (KOER) self-test the TCS must be cycled, or a DTC is set. | ||
| Possible Causes: |
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| Diagnostic Aids: | Verify the TCS switch cycles on/off. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test TB . | ||
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.