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Code

P0715

Transmission

Input shaft / turbine speed sensor circuit malfunction

The transmission cannot read input shaft speed.

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Most likely causes

Faulty input speed sensor
Wiring fault
Damaged tone ring

Symptoms you may notice

Harsh or delayed shifts
RPM flare
Limp mode

Checks to run

Test sensor signal
Inspect wiring
Check the tone ring

Tools you may need

Multimeter Oscilloscope

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Transmission

Transmission control system malfunction

Transmission range sensor (PRNDL) circuit malfunction

Output shaft speed sensor circuit malfunction

Incorrect gear ratio

Torque converter clutch circuit stuck off

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