Ignite Your Success with P0123 A Comprehensive Guide

Throttle Position Code P0123 P2135 ... I have the error code P0123 and P2135. I checked the voltage on the Throttle Body Harness and VTA1 = 4.2 ... A P0123 code means that the car's computer has detected that the TPS (throttle position sensor) is reporting too high a voltage. A P0123 trouble code means that the PCM has recorded a reading from the TPS that exceeds the normal 4.5 volts for more than two seconds. A fault ... I've got a 2014 SE hatchback with a manual transmission that is throwing P0123 & P0223 codes. I've installed 2 different throttle bodies as well as a new pedal. P0123 points to a Throttle Position Sensor voltage problem. Type P0123 into the search bar. There are several threads to peruse. The reference voltage should be 5V. The reading at idle should be .6V. The WOT reading should be above 4.0V, but when it goes above 4.75V, the DTC gets set. A quick check of youtube revealed the light was commonly attributed to a bad throttle body which seemed easy enough to replace. It doesn't respond to inputs at the gas pedal like it should. It has a VERY slow response, making the car extremely sluggish and dangerous to drive. Usually if the TPS or APPS has issues it throws the 2121 or 2122. The TPS has two circuits. One is the 5 volt for actual position to control the RPM. Dodge/Ram Diesel Tech - DTC P0123 Throttle/Pedal Position Sensor A Circuit High Input - Can anyone explain what might be the cause DTC P0123 ...