Error code

OBD2 P0718

OBD2P0718
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Input/Turbine Speed Sensor 'A' Circuit Intermittent.

Severity

moderateCan drive, but may experience shifting issues and decreased fuel efficiency.

Summary

P0718 indicates an intermittent issue with the Turbine Shaft Speed (TSS) sensor circuit, which monitors the speed of the turbine shaft in the transmission.

Common Causes

  • Poor wiring connection
  • Faulty TSS sensor
  • ECM/PCM malfunction

Fixes

  • Replace the TSS sensor or repair/reconnect faulty wiring.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.