Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P277E Clutch A Unexpected Mechanical Gear Disengagement

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

P · PowertrainTransmissionOBD2

What P277E means

P277E
Clutch A Unexpected Mechanical Gear Disengagement Generic · transmission Data confidence 65%

The control module detected a fault associated with the Clutch A Unexpected Mechanical Gear Disengagement circuit or function; the stored code identifies the affected component rather than a single failure mode.

Related and nearby codes

How to read P277E

P

Powertrain: engine, transmission and driveline systems.

2

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

77E

Specific fault index within the subsystem.

Frequently asked questions about P277E

What does P277E mean?

Clutch A Unexpected Mechanical Gear Disengagement. The control module detected a fault associated with the Clutch A Unexpected Mechanical Gear Disengagement circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P277E generic or manufacturer-specific?

P277E is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P277E 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