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.
More OBD2 codes
- P0700Transmission Control System (MIL Request)
- P0701Transmission Control System Range/Performance
- P0702Transmission Control System Electrical
- P0703Brake Switch 'B' Circuit
- P0704Clutch Switch Input Circuit Malfunction
- P0705Transmission Range Sensor Circuit Malfunction (PRNDL Input)
- P0706Transmission Range Sensor Circuit Range/Performance
- P0707Transmission Range Sensor Circuit Low
- P0708Transmission Range Sensor Circuit High
- P0709Transmission Range Sensor Circuit Intermittent
- P0710Transmission Fluid Temperature Sensor 'A' Circuit
- P0711Transmission Fluid Temperature Sensor 'A' Circuit Range/Performance