Error code

OBD2 P0993

OBD2P0993
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Transmission Fluid Pressure Sensor/Switch 'F' Circuit Range/Performance.

Severity

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

Summary

P0993 indicates an issue with the transmission fluid pressure (TFP) sensor F circuit, which monitors the hydraulic pressure in the transmission system.

Common Causes

  • Poor wiring or connection
  • Faulty TFP sensor
  • ECM/PCM/TCM malfunction

Fixes

  • Replace the faulty TFP sensor or repair wiring connections.

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