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TuningBot DTC Database · v4.37.15

P1594 Chrysler - Alternator - voltage high

Manufacturer-specific interpretation for Chrysler. All interpretations of P1594

P · PowertrainBatteryOBD2

What P1594 means

P1594
Alternator - voltage high Chrysler · battery Data confidence 62%

The control module detected that the Alternator voltage stayed above the expected range. This is the manufacturer-specific definition used by Chrysler.

Possible causes

  • Wiring
  • battery
  • alternator

Related and nearby codes

How to read P1594

P

Powertrain: engine, transmission and driveline systems.

1

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

594

Specific fault index within the subsystem.

Frequently asked questions about P1594

What does P1594 mean?

Alternator - voltage high. The control module detected that the Alternator voltage stayed above the expected range. This is the manufacturer-specific definition used by Chrysler.

Is P1594 generic or manufacturer-specific?

P1594 is a manufacturer-specific code. In this database it is documented for: Chrysler. The same number can mean something different on other brands.

Can TuningBot remove P1594 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

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