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TuningBot DTC Database · v4.37.15

P0188 Fuel Temperature Sensor B Circuit High Input

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

P · PowertrainFuelOBD2

What P0188 means

P0188
Fuel Temperature Sensor B Circuit High Input Generic · fuel Data confidence 90%

The control module detected that the signal in the Fuel Temperature Sensor B circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • fuel temperature sensor
  • ECM

Related and nearby codes

How to read P0188

P

Powertrain: engine, transmission and driveline systems.

0

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

188

Specific fault index within the subsystem.

Frequently asked questions about P0188

What does P0188 mean?

Fuel Temperature Sensor B Circuit High Input. The control module detected that the signal in the Fuel Temperature Sensor B circuit stayed above the expected operating range.

Is P0188 generic or manufacturer-specific?

P0188 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0188 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

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