garajizOBD-II code · manufacturer-specific
P1578
Throttle Position Not Available
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- High (4/5)
- Can I keep driving?
- Drive with caution
What does P1578 mean?
P1578 is defined as “Throttle Position Not Available”.
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.
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Saturn: BBV Sensor Circuit Low Vacuum
- Ford, Lincoln, Mercury: ETC Power Less Than Demand
- Volkswagen: Right Engine Mount Solenoid Valve Electrical Fault In Circuit
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This page is general information; an exact diagnosis needs measurements and a technician’s check.