garajizOBD-II code · manufacturer-specific
P1237
Fuel Pump Speed Primary Circuit Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1237 mean?
P1237 is defined as “Fuel Pump Speed Primary 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.
- Volkswagen: Cylinder 1 Injector Circuit Open Circuit
- Ford, Lincoln, Mercury: Fuel Pump Secondary Circuit Fault
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Saturn: Injector Circuit Cylinder 6 Intermittent
- Jaguar: VSV 2 Circuit
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This page is general information; an exact diagnosis needs measurements and a technician’s check.