P2765Input/Turbine Shaft Speed Sensor B Circuit
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P2765 is the circuit code of a second input speed sensor, B, and what B measures varies. On Ford's DPS6 dual-clutch box (2012) it is the input shaft 2 sensor for reverse and the even gears, faulted when the TCM hardware detects a circuit failure. Audi bulletin 2032211/3 for the 0B5 S tronic (S4/S5 2010–14, RS5/S6/S7 2013–14) lists P2765 among codes caused by a faulty sensor module G676 carrying the input speed sensors; it is replaced with its harness, which means removing the gearbox. Nissan's NTB14-019 (2014 Rogue, CVT8) ties P2765 to moisture on the pins of the secondary speed sensor. Mitsubishi's 2019 CVT uses it for the turbine sensor: under 150 rpm for 5 s with the primary pulley above 500 rpm.
- What you may notice
- Check engine light and gearbox malfunction message
- Limp-home mode, sometimes without reverse or even gears
- Slow take-off and no torque converter lock-up
- Likely causes
- LikelyMoisture or corrosion at the sensor B connector pins
- PossibleDefective sensor B or integrated sensor module inside the gearbox
- PossibleOpen or shorted wiring between sensor and TCM
- RareTCM input stage faulty
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Hard · Usually a job for a workshop.Typical cost: €120 – €2,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.