OBD-II code · Powertrain (generic, extended)
P2745 Intermediate Shaft Speed Sensor B Circuit
The intermediate shaft speed sensor B (used for closed-loop ratio control on planetary or DCT gearboxes) returns no usable signal. The controller cannot verify ratio change.
Is it safe to drive with P2745?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen sensor element or broken signal wire
- PossibleCorroded sensor connector
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Intermediate Shaft Speed Sensor B, Wiring Harness
Related codes
- P0791Intermediate Shaft Speed Sensor A Circuit
- P2749Intermediate Shaft Speed Sensor C Circuit
- P2742Transmission Fluid Temperature Sensor B Circuit Low
- P2743Transmission Fluid Temperature Sensor B Circuit High
- P2744Transmission Fluid Temperature Sensor B Circuit Intermittent
- P2746Intermediate Shaft Speed Sensor B Circuit Range/Performance
- P2747Intermediate Shaft Speed Sensor B Circuit No Signal
- P2748Intermediate Shaft Speed Sensor B Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.