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.
TuningBot DTC Database · v4.37.15
P1165 Diagnostic Trouble Code (5 interpretations)
5 manufacturer-specific interpretations across 5 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
Chrysler
1 interpretationThe 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 interpretationThe 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 interpretationThe 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.
VAG
1 interpretationThe 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
Related and nearby codes
How to read P1165
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
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
Understand the system behind this code: Oxygen Sensors (Lambda)
