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P077F
Reverse 2 Incorrect Ratio
Generic · transmission
Data confidence
65%
The control module detected that the measured gear ratio did not match the commanded gear (Reverse 2).
TuningBot DTC Database · v4.37.14
P077F Reverse 2 Incorrect Ratio
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P077F means
Related and nearby codes
How to read P077F
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
77F
Specific fault index within the subsystem.
Frequently asked questions about P077F
What does P077F mean?
Reverse 2 Incorrect Ratio. The control module detected that the measured gear ratio did not match the commanded gear (Reverse 2).
Is P077F generic or manufacturer-specific?
P077F is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P077F 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic