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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)

1:1 Kloning till begagnad enhet

Det kostnadseffektiva alternativet till ny originalenhet

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Auktoriserad Verkstad (Ny del)

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OBD Tuning (1:1 Kloning)

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Vi klonar ditt defekta originalstyrdon till en frisk begagnad enhet med 24–48 timmars hanteringstid.

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.

Start Fault Code Analyzer

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.