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TuningBot DTC Database · v4.37.15

P1045 Dodge - Heated oxygen sensor (HO2S) 1, bank 1 system too rich

Manufacturer-specific interpretation for Dodge. All interpretations of P1045

P · PowertrainEmissionsOBD2

What P1045 means

P1045
Heated oxygen sensor (HO2S) 1, bank 1 system too rich Dodge · emissions Data confidence 62%

The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (Heated oxygen sensor (HO2S) 1, bank 1 system). This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Wiring
  • connectors
  • HO2S
  • ECM

Related and nearby codes

How to read P1045

P

Powertrain: engine, transmission and driveline systems.

1

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

045

Specific fault index within the subsystem.

Frequently asked questions about P1045

What does P1045 mean?

Heated oxygen sensor (HO2S) 1, bank 1 system too rich. The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (Heated oxygen sensor (HO2S) 1, bank 1 system). This is the manufacturer-specific definition used by Dodge.

Is P1045 generic or manufacturer-specific?

P1045 is a manufacturer-specific code. In this database it is documented for: Dodge. The same number can mean something different on other brands.

Can TuningBot remove P1045 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 tuningStage 1 dyno results for Dodge engines See the results →

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