Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1602 Subaru - Engine control module (ECM) - programming error

Manufacturer-specific interpretation for Subaru. All interpretations of P1602

P · PowertrainSoftwareOBD2

What P1602 means

P1602
Engine control module (ECM) - programming error Subaru · software Data confidence 62%

The control module registered the fault condition described as "Engine control module (ECM) - programming error". This is the manufacturer-specific definition used by Subaru.

Possible causes

  • Wiring
  • other trouble code(s) stored
  • mechanical fault
  • incorrect programming
  • incorrect ECM
  • ECM

Related and nearby codes

How to read P1602

P

Powertrain: engine, transmission and driveline systems.

1

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

602

Specific fault index within the subsystem.

Frequently asked questions about P1602

What does P1602 mean?

Engine control module (ECM) - programming error. The control module registered the fault condition described as "Engine control module (ECM) - programming error". This is the manufacturer-specific definition used by Subaru.

Is P1602 generic or manufacturer-specific?

P1602 is a manufacturer-specific code. In this database it is documented for: Subaru. The same number can mean something different on other brands.

Can TuningBot remove P1602 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 tuningDyno-tested results by model and engine See the results →

← Search the full DTC database