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.
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