The P0715 code in your 2016 Toyota RAV4 indicates a malfunction with the input/turbine speed sensor, and the jerking during acceleration correlates directly with this sensor's failure. Without accurate input speed data, your RAV4's 6-speed automatic transmission cannot calculate proper gear ratios or time shifts correctly, resulting in the jerky behavior you're experiencing.
How Input Speed Sensor Affects Shifting
The transmission control module uses the input speed sensor to know how fast the torque converter turbine is spinning. By comparing this to output speed, it calculates gear ratios and detects slippage. When this sensor fails or provides erratic data, the TCM can't properly control shifts—hence the jerking.
Common Causes of P0715
The input speed sensor itself may have failed due to age, heat, or internal damage. Wiring between the sensor and TCM may be damaged or corroded. The sensor connector may be loose or have poor contact. Metallic debris in the transmission fluid can interfere with the magnetic sensor. The reluctor ring the sensor reads may be damaged.
Symptoms in Your RAV4
Jerking during acceleration as the TCM struggles to time shifts. Harsh or delayed gear changes. The speedometer may also be affected. The transmission may enter limp mode, limiting you to lower gears. The check engine light illuminates with P0715 stored.
Diagnostic Approach
Using Toyota Techstream, monitor input speed sensor data while driving. Compare to engine RPM—readings should correlate logically. Check for consistent signal or dropouts. Test sensor resistance and compare to specifications. Inspect the connector for corrosion or damage. Check transmission fluid level and condition.