OBD LensChangan: P077B
Output shaft speed sensor (direction is 0 and speed too high)
TCU. Датчик частоты вращения выходного вала - направление равно 0, а частота вращения слишком высокая.
- Reference namespace
- changan
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: Changan.
26 profiles assigned this reference family
- OBD-II / EOBDChangan
- Alsvin Gen.3 (2017-n.d.)Changan · 2017–onward
- CS35Changan
- CS35 PlusChangan
- CS35 Plus New (1.4T)Changan
- CS55 Plus (2017-) 1.5 + ATChangan · 2017–onward
- CS55 Plus (2017-) 1.5 + DCTChangan · 2017–onward
- CS55 Plus II (2021-)Changan · 2021–onward
- CS75Changan
- CS75 FL (1.8+AT)Changan
- CS75 FL (1.8+DCT)Changan
- CS75 Plus 1.5Changan
- CS75 Plus 2.0Changan
- CS95 (2.0+AT)Changan
- EADO Plus 2022- (1.4T)Changan · 2022–2022
- G318Changan
- S05Changan
- S07Changan
- UNI-K (1.5/2.0+AT)Changan
- UNI-K (1.5/2.0+DCT)Changan
- UNI-S (1.5+DCT)Changan
- UNI-T (1.5+DCT)Changan
- UNI-T (2.0+AT)Changan
- UNI-V (1.5+DCT)Changan
2 more related profiles are listed in the vehicle directory.
Generic OBD2: P077B
Output speed sensor - direction error
- Reference namespace
- obd2
- Source revision
- legacy-2.2.20
Generic OBD2 definition; confirm the protocol and vehicle-specific service information.
What should I check before using this definition?
Keep the full code, module, status and freeze-frame data. Confirm the vehicle’s make, model, year and current manufacturer service information before choosing a repair. This entry does not identify a failed part by itself.
Organize a scan report or recordingOBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.
Read the reference method