garajizOBD-II code · manufacturer-specific
P1740
First Gear Switch Circuit Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1740 mean?
P1740 is defined as “First Gear Switch Circuit Malfunction”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Chrysler, Dodge, Jeep, Plymouth, Pontiac: TCC Or OD Solenoid Performance
- Citroen, Diğer, Peugeot: Torque Converter Clutch Inductive Signature Malfunction
- Mazda: Torque Converter Clutch Solenoid Mechanical Fault
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: Transmission Torque Reduction Request Circuit
- Ford, Lincoln, Mercury: Transmission system problems
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This page is general information; an exact diagnosis needs measurements and a technician’s check.