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P0123 Diagnostic Trouble Code Discussion for April 2006

Throttle Position Sensor/APPS High

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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
1999 Chevrolet Express 3500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy VIN: 1GTHG39R8X
P0123: TP Sensor Circuit High Voltage. after these repairs, no codes came back and vehicle had lots of power, ran well for 3 days, returned with no power and a code for bank 1 sensor 1 not switching, hooked up scanner ,vehicle immediately started running well, road tested, still running well, no co...
April 13, 2006
1999 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J46W68N7X
P0123: Throttle Position Sensor Circuit High Voltage. Car came to us with SES Light on. Had it checked at Auto Zone, told TPS Sensor code. In the past year the customer has replaced TPS several times. Light comes back on after a few days. We cleared codes and immediately came back with PO123 code. We have tested ...
April 17, 2006
2001 Dodge Durango SLT 4.7L Stall, MIL Lamp on VIN: 1B4HS28N61
P0123: Throttle Position Sensor Circuit High Voltage. Good afternoon. We are working on a Durango with a code 123, high voltage TPS. Signal voltage on scanner shows 5 volts, but when we test at sensor and PCM it reads .89 volts. When holding down the on/off switch for the cruise control,scanner voltage goes from ...
April 25, 2006