Hours: 07–23 daily

TuningBot DTC Database · v4.37.14

P2766 Input/Turbine Shaft Speed Sensor B Circuit Range/Performance

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

P · PowertrainEngineOBD2

What P2766 means

P2766
Input/Turbine Shaft Speed Sensor B Circuit Range/Performance Generic · engine Data confidence 78%

The control module judged the Input/Turbine Shaft Speed Sensor B signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Symptoms

  • Possible reduced power or limp mode
  • MIL illuminated
  • Possible abnormal turbocharger noise

Possible causes

  • Wiring
  • transmission input shaft speed sensor/ TSS sensor

Recommended checks

  • Compare specified vs actual boost with live data
  • Check actuator movement over the full range
  • Check hoses and vacuum lines
  • Inspect wiring and connectors

Related and nearby codes

How to read P2766

P

Powertrain: engine, transmission and driveline systems.

2

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

766

Specific fault index within the subsystem.

Frequently asked questions about P2766

What does P2766 mean?

Input/Turbine Shaft Speed Sensor B Circuit Range/Performance. The control module judged the Input/Turbine Shaft Speed Sensor B signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Is P2766 generic or manufacturer-specific?

P2766 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2766 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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 →

← Search the full DTC database