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TuningBot DTC Database · v4.37.15

P1185 Volvo - System too rich, bank 2 - full load

Manufacturer-specific interpretation for Volvo. All interpretations of P1185

P · PowertrainFuelOBD2

What P1185 means

P1185
System too rich, bank 2 - full load Volvo · fuel Data confidence 62%

The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (System). This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Intake blocked
  • EVAP canister purge valve
  • fuel pressure high
  • EGR system
  • injector(s)
  • HO2S

Related and nearby codes

How to read P1185

P

Powertrain: engine, transmission and driveline systems.

1

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

185

Specific fault index within the subsystem.

Frequently asked questions about P1185

What does P1185 mean?

System too rich, bank 2 - full load. The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (System). This is the manufacturer-specific definition used by Volvo.

Is P1185 generic or manufacturer-specific?

P1185 is a manufacturer-specific code. In this database it is documented for: Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1185 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 Volvo engines See the results →

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