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Home/DTC Codes/Jaguar/S-Type/2000-2008 3.0L V6/P0740
P0740

Torque Converter Clutch Circuit Malfunction

2000-2008 Jaguar S-Type 3.0L V6

Moderate SeverityPowertrainGeneric (SAE)

Description

Malfunction in the torque converter clutch (TCC) solenoid circuit.

Symptoms

  • Check Engine Light
  • No lockup feel (higher RPM at highway)
  • Poor fuel economy
  • Transmission overheating

Common Causes

  • Faulty TCC solenoid
  • Wiring issue
  • PCM driver failure
  • Torque converter failure

Diagnostic Steps

  1. Test TCC solenoid resistance
  2. Check wiring
  3. Command TCC engagement with scan tool
  4. Monitor RPM drop during lockup command

Repair Notes

Replace TCC solenoid or repair wiring. Solenoid is often inside transmission.

Related Codes

P0741Torque Converter Clutch Circuit Performance/Stuck OffP0742Torque Converter Clutch Circuit Stuck On

Other Powertrain Codes

P0740 on Other Vehicles

Jaguar E-PACE

2018-2024 2.0L I4 Turbo

Jaguar F-PACE

2017-2024 2.0L I4 Turbo

Jaguar F-PACE

2017-2024 3.0L V6 Supercharged

Jaguar F-Type

2014-2024 3.0L V6 Supercharged

Jaguar F-Type R

2014-2024 5.0L V8 Supercharged

Jaguar X-Type

2002-2008 2.5L V6

Jaguar XE

2017-2024 2.0L I4 Turbo

Jaguar XF

2009-2024 3.0L V6 Supercharged

Common Questions

What does code P0740 mean on a 2000-2008 Jaguar S-Type?

P0740 stands for "Torque Converter Clutch Circuit Malfunction". Malfunction in the torque converter clutch (TCC) solenoid circuit.

What are the symptoms of P0740 on a Jaguar S-Type?

Common symptoms of P0740 include: Check Engine Light, No lockup feel (higher RPM at highway), Poor fuel economy, Transmission overheating.

What causes P0740 on a 2000-2008 Jaguar S-Type?

Common causes of P0740 include: Faulty TCC solenoid, Wiring issue, PCM driver failure, Torque converter failure.

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