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P0123 Diagnostic Trouble Code Discussion for August 2007

Throttle Position Sensor/APPS High

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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
1999 Jeep Cherokee Sport 4.0L MIL Lamp on VIN: 1J4FT68SXX
P0123: Throttle Position Sensor Circuit High Voltage. This vehicle came in with DTC P0123 (TPS voltage too high) and P0121 (TPS does not agree with MAP) The voltage at the TPS was high at 2.53. This was both in the PCM as well as at the TPS output terminal. A replacement TPS was installed with the results being a...
August 02, 2007