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DTC/P0741

P0741: Torque Converter Clutch Circuit Performance/Stuck Off

Quick Answer
Moderata GravitàSicuro da guidare (a breve termine)Trasmissione

P0741 means the torque converter clutch is not engaging properly when the transmission control module commands it to lock up. This clutch creates a direct mechanical link between the engine and transmission at cruising speed, and when it fails to engage, efficiency drops and the transmission can overheat.

Costo di riparazione stimatoDa €140 a €1900+, varia in base al veicolo

Cosa significa P0741?

P0741 means the torque converter clutch is not engaging properly when the transmission control module commands it to lock up. This clutch creates a direct mechanical link between the engine and transmission at cruising speed, and when it fails to engage, efficiency drops and the transmission can overheat.

P0741 è un codice diagnostico di guasto relativo a trasmissione, classificato con gravità moderate. Quando la centralina (ECU) del tuo veicolo rileva questa condizione, memorizza P0741 e accende la spia motore.

Quali sono i sintomi di P0741?

Se il tuo veicolo ha attivato P0741, potresti notare uno o più di questi sintomi:

  • Check engine light illuminated
  • Increased fuel consumption
  • Transmission fluid overheating
  • Slight shudder or vibration at motorway speeds
  • RPM higher than normal at cruising speed
  • Transmission slipping sensation

Cosa causa P0741?

Ecco le cause più comuni di P0741, ordinate in base alla probabilità che siano la causa del problema:

altaWorn or failing torque converter clutch
altaFaulty TCC solenoid
mediaDegraded or contaminated transmission fluid
mediaValve body blockage or wear
bassaWiring fault to TCC solenoid

È sicuro guidare con P0741?

In genere sì, per brevi tragitti. Short-term driving is possible but fuel consumption will increase and the transmission may overheat on long motorway journeys. Avoid sustained high-speed driving and have it diagnosed soon.

Come si diagnostica P0741?

Segui questi passaggi per individuare la causa principale di P0741:

  1. Check transmission fluid level and condition. Dark or burnt-smelling fluid suggests internal wear that may be preventing the TCC from engaging properly.
  2. Using a scanner with live data, monitor TCC commanded state versus actual converter slip at motorway speed. If the TCM commands lockup but RPM does not drop to match engine speed, the TCC is not engaging.
  3. Check TCC solenoid resistance with a multimeter (typical range 10-25 ohms). Also check for power and ground at the solenoid connector.
  4. Perform a stall speed test. Higher than normal stall speed indicates the torque converter clutch or converter itself is slipping internally.
  5. If the solenoid tests good electrically, the issue is likely mechanical: either a worn TCC friction plate inside the torque converter or a stuck valve in the valve body preventing hydraulic pressure from reaching the clutch.

Quanto costa riparare P0741?

I costi di riparazione di P0741 variano a seconda della causa principale e del tuo veicolo. Ecco le stime tipiche:

Riparazione Costo dei ricambi Costo della manodopera Stima totale Difficoltà fai-da-te
TCC solenoid replacement €40–€200 €200–€500 €240–€700 Professionale
Transmission fluid flush and filter replacement €60–€180 €80–€200 €140–€380 Moderata
Torque converter replacement €200–€700 €500–€1200 €700–€1900 Professionale
Valve body repair or replacement €200–€800 €300–€600 €500–€1400 Professionale

Prezzi stimati al March 2026. I costi variano in base alla regione, al veicolo e all'officina.

P0741 su veicoli specifici

P0741 si comporta in modo diverso a seconda del tuo veicolo. Seleziona la tua auto qui sotto per cause specifiche del modello, problemi noti e stime dei costi adeguate:

BMW

P0741 su BMW 3 Series

2006-2024

The F30/G20 3 Series with the ZF 8HP automatic transmission can develop P0741 when transmission fluid is not changed at the recommended 80,000 km interval. BMW markets this as a 'lifetime fill' but ZF themselves recommend regular changes. Worn fluid loses its friction modifier properties, preventing proper TCC lockup.

Cosa causa P0741 su una BMW 3 Series?

BMW 3 SeriesZF 8HP fluid degradation from missed service intervals
BMW 3 SeriesTCC solenoid wear in high-km ZF 8HP units

Costo di riparazione di P0741 per BMW 3 Series

Costi stimati per i proprietari di BMW 3 Seriesadeguato al rialzo rispetto alla media a causa dei prezzi dei ricambi specifici BMW

Riparazione Costo dei ricambi Costo della manodopera Stima totale Difficoltà fai-da-te
TCC solenoid replacement €52–€260 €260–€650 €312–€910 Professionale
Transmission fluid flush and filter replacement €78–€234 €104–€260 €182–€494 Moderata
Torque converter replacement €260–€910 €650–€1560 €910–€2470 Professionale
Valve body repair or replacement €260–€1040 €390–€780 €650–€1820 Professionale

Prezzi stimati al March 2026. I costi variano in base alla regione, al veicolo e all'officina.

Audi

P0741 su Audi A4

2005-2024

The B8 and B9 A4 with the ZF 8HP and earlier Aisin transmissions are susceptible to P0741. On the Multitronic CVT (B7/early B8), this code appears as a converter lockup fault unique to the CVT's torque converter. Regular fluid changes every 60,000 km significantly reduce the risk.

Cosa causa P0741 su una Audi A4?

Audi A4ZF 8HP TCC friction material wear
Audi A4Multitronic CVT converter lockup failure

Costo di riparazione di P0741 per Audi A4

Costi stimati per i proprietari di Audi A4adeguato al rialzo rispetto alla media a causa dei prezzi dei ricambi specifici Audi

Riparazione Costo dei ricambi Costo della manodopera Stima totale Difficoltà fai-da-te
TCC solenoid replacement €52–€260 €260–€650 €312–€910 Professionale
Transmission fluid flush and filter replacement €78–€234 €104–€260 €182–€494 Moderata
Torque converter replacement €260–€910 €650–€1560 €910–€2470 Professionale
Valve body repair or replacement €260–€1040 €390–€780 €650–€1820 Professionale

Prezzi stimati al March 2026. I costi variano in base alla regione, al veicolo e all'officina.

Opel

P0741 su Opel Astra

2004-2023

The Astra with the Aisin AF17/AF22 4-speed automatic commonly triggers P0741 above 120,000 km. The TCC solenoid on these transmissions is accessible by removing the valve body pan, making it a relatively affordable repair. Always change the fluid and filter at the same time.

Cosa causa P0741 su una Opel Astra?

Opel AstraAisin AF17/AF22 TCC solenoid wear
Opel AstraValve body spool sticking from old fluid

Costo di riparazione di P0741 per Opel Astra

Costi stimati per i proprietari di Opel Astraadeguato al ribasso rispetto alla media a causa dei prezzi dei ricambi specifici Opel

Riparazione Costo dei ricambi Costo della manodopera Stima totale Difficoltà fai-da-te
TCC solenoid replacement €34–€170 €170–€425 €204–€595 Professionale
Transmission fluid flush and filter replacement €51–€153 €68–€170 €119–€323 Moderata
Torque converter replacement €170–€595 €425–€1020 €595–€1615 Professionale
Valve body repair or replacement €170–€680 €255–€510 €425–€1190 Professionale

Prezzi stimati al March 2026. I costi variano in base alla regione, al veicolo e all'officina.

Mercedes-Benz

P0741 su Mercedes C-Class

2007-2024

The W204 C-Class with the 722.9 (7G-Tronic) transmission is known for TCC shudder and lockup issues. The torque converter lockup clutch on the 722.9 wears over time, particularly with frequent city driving. Mercedes recommends fluid changes at 60,000 km for the 722.9, and using the correct MB 236.15 specification fluid is critical.

Cosa causa P0741 su una Mercedes C-Class?

Mercedes C-Class722.9 torque converter clutch friction material wear
Mercedes C-ClassIncorrect transmission fluid specification used at service

Costo di riparazione di P0741 per Mercedes C-Class

Costi stimati per i proprietari di Mercedes C-Classadeguato al rialzo rispetto alla media a causa dei prezzi dei ricambi specifici Mercedes-Benz

Riparazione Costo dei ricambi Costo della manodopera Stima totale Difficoltà fai-da-te
TCC solenoid replacement €56–€280 €280–€700 €336–€980 Professionale
Transmission fluid flush and filter replacement €84–€252 €112–€280 €196–€532 Moderata
Torque converter replacement €280–€980 €700–€1680 €980–€2660 Professionale
Valve body repair or replacement €280–€1120 €420–€840 €700–€1960 Professionale

Prezzi stimati al March 2026. I costi variano in base alla regione, al veicolo e all'officina.

Questi codici compaiono spesso insieme a P0741 o indicano problemi correlati:

P0700P0740P0742P0743P0744

Domande frequenti su P0741

What does P0741 mean?

P0741 means the torque converter lockup clutch is not engaging when commanded by the transmission control module. This clutch is supposed to create a solid connection between engine and transmission at cruising speed to improve fuel economy.

Can I drive with P0741?

Short-distance driving is generally safe, but the transmission will run hotter and use more fuel. Avoid sustained motorway driving, as the lack of lockup causes excessive heat that can damage the transmission.

Will a transmission fluid change fix P0741?

Sometimes. If the fluid is degraded, fresh fluid can restore proper hydraulic pressure to the TCC solenoid. However, if the clutch friction material is worn or the solenoid is faulty, a fluid change alone will not resolve it.

How much does torque converter replacement cost?

A torque converter replacement typically costs 700-1900 EUR including parts and labour. The converter itself is 200-700 EUR, but the transmission must be removed to access it, which adds significant labour cost.

What causes the torque converter clutch to fail?

The most common causes are worn clutch friction material from age and high km, degraded transmission fluid that cannot provide proper hydraulic pressure, and a failing TCC solenoid that cannot direct fluid to the clutch.

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Skanyx

Esegui la scansione della tua auto con Skanyx per diagnosticare P0741

Collega un adattatore OBD2 Bluetooth standard, esegui la scansione dei codici e ottieni una diagnosi basata sull'IA con livelli di gravità e stime dei costi di riparazione.

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