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TuningBot DTC Database · v4.37.14

P1083 Diagnostic Trouble Code (4 interpretations)

4 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.

P · PowertrainEmissionsOBD2
Brand pages:LexusMINIVAG

Lexus

1 interpretation
P1083
HC catalytic converter, switching valve, bank 2 - stuck open Lexus · emissions Data confidence 62%

The control module determined that the HC catalytic converter, switching valve, bank 2 did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by Lexus.

Possible causes

  • Exhaust leak
  • mechanical fault
  • wiring
  • exhaust gas temperature (EGT) sensor
  • ECM

MINI

1 interpretation
P1083
Fuel Control Mixture Lean Bank 1 Sensor 1 MINI · fuel Data confidence 62%

The control module detected a fault associated with the Fuel Control Mixture Lean Bank 1 Sensor 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.

VAG

2 interpretations
P1083
Exhaust Bank 3 - Mixture Adaption Range 1 Lower Rich Limit Not Reached VAG · fuel Data confidence 62%

The control module determined that the Exhaust Bank 3 - Mixture Adaption Range 1 Lower Rich adaptation reached its permissible limit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring
  • intake leak
  • HO2S
Applies to Audi
P1083
Exhaust Bank 3 - Mixture Adaption Range 1 Lower Rich Limit Not Reached VAG · fuel Data confidence 62%

The control module determined that the Exhaust Bank 3 - Mixture Adaption Range 1 Lower Rich adaptation reached its permissible limit. This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1083

P

Powertrain: engine, transmission and driveline systems.

1

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

083

Specific fault index within the subsystem.

Frequently asked questions about P1083

What does P1083 mean?

Diagnostic Trouble Code (4 interpretations). The control module determined that the HC catalytic converter, switching valve, bank 2 did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by Lexus.

Is P1083 generic or manufacturer-specific?

P1083 is a manufacturer-specific code. In this database it is documented for: Lexus, MINI, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1083 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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