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P0123 Diagnostic Trouble Code Discussion for April 2008

Throttle Position Sensor/APPS High


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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
1999 Dodge Ram 3500 Truck 5.9L Poor Idle Quality, MIL Lamp on VIN: 3B6MF3654X
P0123: Throttle Position Sensor Circuit High Voltage. I am totally stumped on this one at this time. The check engine light is on and the tps reads 5.0v on the drbIII. I back probed the sensor signal wire at idle and it reads 1.06v. I backprobed at the computer and it is also 1.06v. I checked voltage drop on all ...
April 02, 2008
2000 Jeep Cherokee Sport 4.0L No Start, Stall VIN: 1J4FF48S6Y
P0123: Throttle Position Sensor Circuit High Voltage. customer complained of stalling and check engine light on with tps high & low codes. tps did not solve problem nor did disconnecting clock spring connector as a tach expierienced and posted in fix data base. have any jeep techs expierienced this and what w...
April 03, 2008
2003 Nissan 350Z Track 3.5L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: JN1AZ34D33
P0123: Throttle Position Sensor 2 Circuit High Voltage (Bank 1). ... codes P1229(p2122,p2138,po223,p0123,p2135,p0507 ISC system) .we did the usual and replaced TBody and did the idle air relearn( with consult ii) .Then APP codes p2122 and 2138 came back and code (p1229 sensor power /circ),tested app sensor found faulty repl...
April 28, 2008
1999 Dodge Ram 3500 Truck 5.9L Poor Idle Quality, MIL Lamp on VIN: 3B6MF3654X
P0123: Throttle Position Sensor Circuit High Voltage. I am totally stumped on this one at this time. The check engine light is on and the tps reads 5.0v on the drbIII. I back probed the sensor signal wire at idle and it reads 1.06v. I backprobed at the computer and it is also 1.06v. I checked voltage drop on all ...
April 02, 2008
2000 Jeep Cherokee Sport 4.0L No Start, Stall VIN: 1J4FF48S6Y
P0123: Throttle Position Sensor Circuit High Voltage. customer complained of stalling and check engine light on with tps high & low codes. tps did not solve problem nor did disconnecting clock spring connector as a tach expierienced and posted in fix data base. have any jeep techs expierienced this and what w...
April 03, 2008
2003 Nissan 350Z Track 3.5L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: JN1AZ34D33
P0123: Throttle Position Sensor 2 Circuit High Voltage (Bank 1). ... codes P1229(p2122,p2138,po223,p0123,p2135,p0507 ISC system) .we did the usual and replaced TBody and did the idle air relearn( with consult ii) .Then APP codes p2122 and 2138 came back and code (p1229 sensor power /circ),tested app sensor found faulty repl...
April 28, 2008