garajizOBD-II code · manufacturer-specific
P1729
Gear 4 Incorrect Ratio
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1729 mean?
P1729 is defined as “Gear 4 Incorrect Ratio”.
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.
- Ford, Lincoln, Mercury: 4x4 Low Switch Error
- Volkswagen: Starter Interlock Circuit Short To B+
- Mazda: Transmission 4x4 Low Switch Error
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This page is general information; an exact diagnosis needs measurements and a technician’s check.