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TuningBot DTC Database · v4.37.15

P2235 O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P2235 means

P2235
O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2 Generic · emissions Data confidence 85%

The control module detected a fault associated with the O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2 circuit or function; the stored code identifies the affected component rather than a single failure mode.

Symptoms

  • MIL illuminated
  • Possible increased fuel consumption
  • Possible unstable idle

Possible causes

  • Wiring
  • H025 / Wiring
  • short to positive
  • short to ground
  • H025
  • ECM

Recommended checks

  • Read live sensor voltage/current and heater status
  • Inspect wiring and connectors
  • Check for exhaust leaks near the sensor
  • Check fuel trim values for upstream mixture faults

Related and nearby codes

How to read P2235

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

235

Specific fault index within the subsystem.

Frequently asked questions about P2235

What does P2235 mean?

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2. The control module detected a fault associated with the O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2 circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P2235 generic or manufacturer-specific?

P2235 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2235 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 tuningDyno-tested results by model and engine See the results →

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