garajizOBD-II code · manufacturer-specific
P1749
Torque Converter Clutch System Performance
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P1749 mean?
P1749 is defined as “Torque Converter Clutch System Performance”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Mazda: Electronic Pressure Control Solenoid Circuit Low
- Ford, Lincoln, Mercury: Electronic Pressure Control Solenoid Failed Low
- Citroen, Diğer, Peugeot: Pressure Control Solenoid Failed Low
- BMW: Secondary Pressure Solenoid Communication Error
- Volkswagen: Transmission Control Unit Incorrect Coding
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This page is general information; an exact diagnosis needs measurements and a technician’s check.