What does code P1740 mean on Mazda vehicles?
The torque converter clutch (TCC) solenoid has a mechanical failure preventing proper lock-up operation.
OBD-II Code Mazda
P1740 — Mazda — Torque Converter Clutch Solenoid Mechanical Fault
The torque converter clutch (TCC) solenoid has a mechanical failure preventing proper lock-up operation.
Common symptoms
- Shudder during acceleration
- engine stalling
Possible causes
- Stuck TCC solenoid
Initial recommendation
Service transmission and inspect or replace TCC solenoid.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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