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P0123 Diagnostic Trouble Code Discussion for November 2012

Throttle Position Sensor/APPS High

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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
1999 Dodge Ram 1500 Laramie 3.9L MIL Lamp on VIN: 1B7HC16X5X
P0123: tps voltage too high. truck came in with p0123 code. hard code, on immediately with key on and stays. truck has sat for a couple years. scanner shows absolute throttle position at 99%. backprobing tps signal on or/db wire shows 5.0 to 5.1 volts. backprobing at pcm shows the same. d...
November 05, 2012
2005 Jeep Grand Cherokee Laredo 4.7L No Start, Stall VIN: 1J4HR48N35
P0123: Throttle Position Sensor/APPS High. Hi guys! Thanks in advanced for your help! I have this 2005 Jeep Grand Cherokee with a 4.7L v8 here that will randomly die when driving. Sometimes it will start back up and other times it will not. Scan data shows all the sensors at 5v. I checked all grounds f...
November 07, 2012