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P2121 Diagnostic Trouble Code Discussion for January 2011

Accelerator Pedal Position Sensor 1 Performance

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Trouble Ticket Help Requests for DTC P2121
Help Request Posted
2004 Dodge Ram 3500 SLT 5.9L Hesitation, Cuts out VIN: 3D7LU38C24
P2121: App sensor circuit/range performance. ... need help on this one. We have a really good customer that has spent a LOT of money here on his truck. On October 24th of last year, at 227036 miles he came in with an irratic throttle and a code P2121. We researched it and found that the APP sensors/servo...
January 14, 2011