P0123 2002 JEEP LIBERTY - how to fix it

Question

how to fix P0123 JEEP LIBERTY 2002
tks

Answer 1

P0123 Throttle position sensor/switch "A" circuit high input

As long as the harness or the connection to this sensor is in good condition a replacement is the solution, What high input circuit means no contact,either internal failure or external faults like wire for TPS disconnected or cut or damage wire to TPS sensor