Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1397 Ford - System Voltage Out Of Self Test Range

Manufacturer-specific interpretation for Ford. All interpretations of P1397

P · PowertrainBatteryOBD2

What P1397 means

P1397
System Voltage Out Of Self Test Range Ford · battery Data confidence 80%

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

Related and nearby codes

How to read P1397

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

397

Specific fault index within the subsystem.

Frequently asked questions about P1397

What does P1397 mean?

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.

Is P1397 generic or manufacturer-specific?

P1397 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.

Can TuningBot remove P1397 at file level?

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.

Other file services

ECU tuningStage 1 dyno results for Ford engines See the results →

← Search the full DTC database