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 MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSMISSIONDTC P0744: A/T TCC S/V FUNCTION (LOCK UP)ON BOARD DIAGNOSIS LOGIC
2006 Infiniti FX35 AWD
On Board Diagnosis Logic
2006 Infiniti FX35 AWDSECTION On Board Diagnosis Logic
- This is an OBD-II self-diagnostic item.
- Diagnostic trouble code "P0744 A/T TCC S/V FNCTN" with CONSULT-II or 3rd judgement flicker without CONSULT-II is detected under the following conditions.
- When A/T cannot perform lock up even if electrical circuit is good.
- When TCM detects as irregular by comparing difference value with slip rotation.
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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.