Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P2777 Transmission gear selection switch, upshift - circuit high

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

P · PowertrainEngineOBD2

What P2777 means

P2777
Transmission gear selection switch, upshift - circuit high Generic · engine Data confidence 78%

The control module detected that the signal in the Transmission gear selection switch, upshift circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • transmission gear selection switch

Related and nearby codes

How to read P2777

P

Powertrain: engine, transmission and driveline systems.

2

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

777

Specific fault index within the subsystem.

Frequently asked questions about P2777

What does P2777 mean?

Transmission gear selection switch, upshift - circuit high. The control module detected that the signal in the Transmission gear selection switch, upshift circuit stayed above the expected operating range.

Is P2777 generic or manufacturer-specific?

P2777 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2777 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 →

← Search the full DTC database