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TuningBot DTC Database · v4.37.15

P1165 Diagnostic Trouble Code (5 interpretations)

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

P · PowertrainEmissionsOBD2

Chevrolet

1 interpretation
P1165
HO2S Cross Counts Bank 2 Sensor 3 Chevrolet · emissions Data confidence 80%

The control module detected a fault associated with the HO2S Cross Counts Bank 2 Sensor 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.

Chrysler

1 interpretation
P1165
HO2S Cross Counts Bank 2 Sensor 2 Chrysler · emissions Data confidence 62%

The control module detected a fault associated with the HO2S Cross Counts Bank 2 Sensor 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Confirm the exact vehicle, ECU and software context
  • Inspect relevant wiring and connectors
  • Check applicable OEM service information

MINI

1 interpretation
P1165
Fuel Trim Additive Per Ignition Bank 2 High MINI · fuel Data confidence 62%

The control module detected a fault associated with the Fuel Trim Additive Per Ignition Bank 2 High 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.

PSA

1 interpretation
P1165
Fuel high pressure information signal : Drift from the rail pressure before starting PSA · fuel Data confidence 72%

The control module detected a drift of the Fuel high pressure information signal away from the expected value. Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi)

VAG

1 interpretation
P1165
Long term fuel trim 1, Bank 1 - above rich limit VAG · fuel Data confidence 62%

The control module detected a fault associated with the Long term fuel trim 1, Bank 1 - above rich limit circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Fuel pressure/pump
  • injectors
  • EVAP canister purge valve
  • EGR system
  • HO2S
  • intake/exhaust system
Applies to Audi

Related and nearby codes

How to read P1165

P

Powertrain: engine, transmission and driveline systems.

1

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

165

Specific fault index within the subsystem.

Frequently asked questions about P1165

What does P1165 mean?

Diagnostic Trouble Code (5 interpretations). The control module detected a fault associated with the HO2S Cross Counts Bank 2 Sensor 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.

Is P1165 generic or manufacturer-specific?

P1165 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, MINI, PSA, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1165 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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