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P077B
Output Speed Sensor Circuit - Direction Error
Generic · transmission
Data confidence
85%
The control module registered the fault condition described as "Output Speed Sensor Circuit - Direction Error".
TuningBot DTC Database · v4.37.15
P077B Output Speed Sensor Circuit - Direction Error
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P077B means
Related and nearby codes
How to read P077B
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
77B
Specific fault index within the subsystem.
Frequently asked questions about P077B
What does P077B mean?
Output Speed Sensor Circuit - Direction Error. The control module registered the fault condition described as "Output Speed Sensor Circuit - Direction Error".
Is P077B generic or manufacturer-specific?
P077B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P077B 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