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    VOLVO
    TCM-0193
    TCM-002A
    TCM-002F

    TCM-0193, TCM-002A, TCM-002F Volvo TF-80SC – Valve Body & Linear Solenoids

    Diagnostic Priority: High
    Complexity Level: Advanced

    Diagnostic and 1:1 Cloning guide for Volvo Aisin TF-80SC 6-speed automatic transmissions covering linear pressure solenoids and shift flare faults.

    Vehicle

    VOLVO

    Codes

    3 units

    Analysis Type

    Technical Expert

    Status

    Analyzed

    Technical Analysis

    REF: #554E35

    TCM-0193, TCM-002A, and TCM-002F on Volvo Aisin TF-80SC automatic gearboxes indicate bore wear in the hydraulic valve body or solenoid coil degradation in linear pressure regulators SLC1, SLC2, and SLU.

    Expected Symptoms

    Harsh gear engagements or violent thumps when shifting into Drive or Reverse (DTCs: TCM-0193, TCM-002A, TCM-002F)
    Transmission slip/flare between 2nd and 3rd gear during moderate acceleration
    Dashboard alert "Transmission performance reduced - Service required"

    System Impact

    Drivetrain
    Engine Control
    Emission Control

    Potential Fault Sources

    01Worn linear modulation solenoids (SLT/SLS/SLC) or bore wear in TF-80SC / 55-50SN valve body (affecting circuit for TCM-0193, TCM-002A, TCM-002F)
    02Slipping torque converter lock-up clutch lining due to degraded transmission fluid
    03Internal sensor failure on transmission input/output shaft speed sensors (logged fault: TCM-0193)

    Workflow / Methodology

    01

    Verify supply voltage and reference ground for TCM-0193, TCM-002A, TCM-002F with multimeter at key ON.

    02

    Measure transmission solenoid coil resistances at TCM connector at 20°C: normal 5.0–6.5 Ω.

    03

    Inspect ATF fluid color, smell, and particulate load; perform dynamic fluid flush.

    04

    OBD Tuning provides 1:1 Complete Bench Cloning of the TCM transmission module for electronic faults.

    Live Data & Mätvärdestoleranser (Är/Bör-värden)

    Fabriksgodkända referensvärden vid diagnos och live-avläsning

    Mätvärdesblock
    Parameter / SignalTestvillkorBör-värde (Normalt)Avvikelse / Varning
    TF-80SC Solenoidresistans20°C5.0 – 6.5 Ω> 9.0 Ω el avbrott
    TransmissionsoljetemperaturNormal landsväg75 – 95 °C> 125 °C (Överhettning)
    Kopplingsslirning (Slip RPM)Låst växel0 – 25 rpm> 150 rpm (Lamellslirning)

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    Boka Kloning / Rådgivning

    Assessment & Action Proposal

    Technical Recommendation

    Installation of remanufactured valve body with upgraded Sonnax sleeves, fluid flush, and 1:1 TCM Cloning if module is damaged.

    Need a deeper analysis? Use our advanced fault code analyzer to find likely connections and in-depth guidance.

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    Vanliga frågor om dessa felkoder

    Vad är den primära orsaken till felkoderna?

    TCM-0193, TCM-002A, and TCM-002F on Volvo Aisin TF-80SC automatic gearboxes indicate bore wear in the hydraulic valve body or solenoid coil degradation in linear pressure regulators SLC1, SLC2, and SLU.

    Kan man köra vidare med tänd motorlampa / varningslampa?

    Körning med aktiva felkoder kan leda till strypt motoreffekt (nödläge / Limp Home), blockerad partikelfilterregenerering eller följdskador på mekaniska komponenter. Felsökning bör genomföras omgående.

    Hur åtgärdas kombinationen på säkrast sätt?

    Installation of remanufactured valve body with upgraded Sonnax sleeves, fluid flush, and 1:1 TCM Cloning if module is damaged.

    Related Codes

    TCM-0193
    TCM-002A
    TCM-002F

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