Input/Turbine Shaft Speed Sensor B Circuit
The second input or turbine shaft speed sensor returns no usable signal. Used on transmissions with redundant input speed sensing for closed-loop ratio control.
Affected components
- Input shaft speed sensor b
- Wiring harness
Common causes
- High likelihood: Open sensor element or broken signal wire
- Medium likelihood: Corroded sensor connector
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.