garajizOBD-II code · manufacturer-specific
P1684
Electronic Feedback Signal Not Detected
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1684 mean?
P1684 is defined as “Electronic Feedback Signal Not Detected”.
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: Battery Disconnected Within Last 50 Starts
- Volkswagen: Control Unit Programming Communication Error
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: Driver 5 Line 4
- Mazda: Metering Oil Pump Position Sensor Circuit
- Citroen, Diğer, Peugeot: Metering Oil Pump Position Sensor Circuit Malfunction
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This page is general information; an exact diagnosis needs measurements and a technician’s check.