The control module detected that the Electric/Auxiliary Transmission Fluid Pump B Motor temperature exceeded its permissible limit.
TuningBot DTC Database · v4.37.15
P277D Electric/Auxiliary Transmission Fluid Pump B Motor Over Temperature
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P277D means
Related and nearby codes
How to read P277D
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P277D
What does P277D mean?
Electric/Auxiliary Transmission Fluid Pump B Motor Over Temperature. The control module detected that the Electric/Auxiliary Transmission Fluid Pump B Motor temperature exceeded its permissible limit.
Is P277D generic or manufacturer-specific?
P277D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P277D 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic
