The control module detected that the signal in the Fuel Injection Control Module circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.
Possible causes
- Fuse
- wiring
- FICM relay
TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Ford. All interpretations of P1378
The control module detected that the signal in the Fuel Injection Control Module circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Fuel Injection Control Module Circuit Low Voltage. The control module detected that the signal in the Fuel Injection Control Module circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.
P1378 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.
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Understand the system behind this code: Diagnostic Strategy and DTC Logic