P0740 — Torque converter clutch circuit malfunction.

Code P0740 is a standard OBD-II diagnostic trouble code: Torque converter clutch circuit malfunction.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite P0740 across 12 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report P0740 12 patterns

2019 Toyota Highlander

powertrain — Automatic Transmission Failure - UA80 8-Speed

2018 Toyota Highlander

powertrain — UA80/UA80F transmission whining noise and internal wear

2015 Dodge Grand Caravan

powertrain — Transmission Pump Failure

2015 Dodge Journey

powertrain — Transmission pump failure/seizing

2011 Chrysler Town and Country

powertrain — Transmission Gear Ratio / Shift Quality Faults

2011 Dodge Grand Caravan

powertrain — Transmission downshift/loss of power/jerking

2011 Dodge Nitro

powertrain — Transmission shift and engagement problems

2006 Mazda Tribute

powertrain — Torque Converter Clutch System Malfunction

2005 Acura MDX

powertrain — Torque Converter Shudder, Vibration, and Grinding Noise

2005 Chevrolet Silverado

powertrain — Automatic transmission slipping and delay on acceleration

2005 Chrysler Pacifica

powertrain — Transmission Control Module (TCM) and Powertrain Control Module (PCM) Failure

2005 Volvo XC90

powertrain — Transmission failure and slipping

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →