The control module measured a System Voltage Out Of value outside the range expected during its self-test. This is the manufacturer-specific definition used by Ford.
Possible causes
- Wiring
- battery
- alternator
TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Ford. All interpretations of P1397
The control module measured a System Voltage Out Of value outside the range expected during its self-test. 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.
System Voltage Out Of Self Test Range. The control module measured a System Voltage Out Of value outside the range expected during its self-test. This is the manufacturer-specific definition used by Ford.
P1397 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Understand the system behind this code: Diagnostic Strategy and DTC Logic