P0122 - Throttle Position Sensor circuit low input.
P0123 - Throttle Position Sensor circuit high input.
Change your TPS(Throttle Position Sensor). It is located on the driver's side of the throttle body with a three wire connector, usually white. If you need instructions, reply back.
Trouble code P0125 means:Insufficent coolant temperature for closed loop fuel control
Bad throttle position sensor
Misfire code
Trouble code P0431 means:Warm up catalyst efficency below threshold
Trouble code P0432 means: Catalyst Efficiency Fault (Bank 2)
If you are getting a p0123 code on a Jeep Wrangler, it means that your throttle body sensor is not working properly. Once you replace this sensor, the code will go away and your Jeep?æwill run smoother.
It means the battery has been disconnected from the pcm with in the last 50 key on cycles
Trouble code P0740 means: A/T Torque Converter Clutch System Out of Range
Trouble code P0734 means:Gear 4 incorrect ratio
Trouble code P0755 means: A/T 2-4 Solenoid Circuit Malfunction
My Haynes service manual lists a 41 as alternator field. Take you Jeep to an auto parts store & they usually test alternators for free.
P1281 means the engine coolant temperature remains below normal during operation. Could be the thermostat.