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P0123 Diagnostic Trouble Code Discussion for February 2008

Throttle Position Sensor/APPS High

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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
1997 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7GG23X8V
P0123: Throttle Position Sensor Circuit High Voltage. hello all, this one has me baffled. 97 dakota with a 3.9. with key in on position tps voltage varies from .80 to 1.29 to 2.5 to 4.9 to .80 etc... got my 5 volt ref. and good ground at the tps. i backprobed the tps reference signal wire at the pcm and i have .8...
February 13, 2008