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TuningBot DTC Database · v4.37.15

P0198 Engine Oil Temperature Sensor High

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

P · PowertrainEngineOBD2

What P0198 means

P0198
Engine Oil Temperature Sensor High Generic · engine Data confidence 90%

The control module detected a fault associated with the Engine Oil Temperature Sensor High circuit or function; the stored code identifies the affected component rather than a single failure mode.

Possible causes

  • Wiring short to positive
  • EOT sensor

Related and nearby codes

How to read P0198

P

Powertrain: engine, transmission and driveline systems.

0

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

198

Specific fault index within the subsystem.

Frequently asked questions about P0198

What does P0198 mean?

Engine Oil Temperature Sensor High. The control module detected a fault associated with the Engine Oil Temperature Sensor High circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P0198 generic or manufacturer-specific?

P0198 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0198 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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