Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1665 Diagnostic Trouble Code (5 interpretations)

5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2

Hyundai

1 interpretation
P1665
Ignition power stage A - circuit malfunction Hyundai · engine Data confidence 62%

The control module detected improper operation of the Ignition power stage A circuit. This is the manufacturer-specific definition used by Hyundai.

Kia

1 interpretation
P1665
Power Stage Group 'A' Kia · engine Data confidence 62%

The control module detected a fault associated with the Power Stage Group 'A' circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Kia.

Land Rover

1 interpretation
P1665
Throttle angle/torque signal - ABS/HDC wiring short to positive Land Rover · braking Data confidence 62%

The control module detected a short circuit to battery voltage in the Throttle angle/torque signal - ABS/HDC wiring circuit. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Wiring
  • ABS system
  • HOC system

VAG

2 interpretations
P1665
Injector - mechanical fault VAG · fuel Data confidence 62%

The control module registered the fault condition described as "Injector - mechanical fault". This is the manufacturer-specific definition used by Audi.

Possible causes

Injector

Applies to Audi
P1665
Injector - mechanical fault VAG · fuel Data confidence 62%

The control module registered the fault condition described as "Injector - mechanical fault". This is the manufacturer-specific definition used by Volkswagen.

Possible causes

Injector

Applies to Volkswagen

Related and nearby codes

How to read P1665

P

Powertrain: engine, transmission and driveline systems.

1

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

665

Specific fault index within the subsystem.

Frequently asked questions about P1665

What does P1665 mean?

Diagnostic Trouble Code (5 interpretations). The control module detected improper operation of the Ignition power stage A circuit. This is the manufacturer-specific definition used by Hyundai.

Is P1665 generic or manufacturer-specific?

P1665 is a manufacturer-specific code. In this database it is documented for: Hyundai, Kia, Land Rover, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1665 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