OBD-II code · manufacturer-specific
P1738
3-4 Shift Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1738 mean?
P1738 is defined as “3-4 Shift 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.
- Acura, Honda, Infiniti: Automatic Transmission System Malfunction
- BMW: Pressure Control Solenoid C Electrical
- Citroen, Diğer, Mazda, Peugeot: Shift Time Error
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This page is general information; an exact diagnosis needs measurements and a technician’s check.