Need help, P2121 & P2122
12-29-2009, 01:15 AM
#1
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Need help, P2121 & P2122
Hey guys, Throttle real eratic and cruise control won't work along with check engine light. Ran the scan and came up with P2121 & P2122.
P2121 APPS Conformance Error
P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low Input
Anybody has any idea's? Throttle position sensor maybe?
P2121 APPS Conformance Error
P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low Input
Anybody has any idea's? Throttle position sensor maybe?
12-29-2009, 09:19 AM
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Bad TPS
http://www.dodgecumminsapps.com/index.html might have one but in 04 1/2 yours might be on the foot feed. Not sure of a "good deal" place for that one.
There has been a bunch of these threads lately including mine.
https://www.dieseltruckresource.com/...highlight=apps
http://www.dodgecumminsapps.com/index.html might have one but in 04 1/2 yours might be on the foot feed. Not sure of a "good deal" place for that one.
There has been a bunch of these threads lately including mine.
https://www.dieseltruckresource.com/...highlight=apps
12-29-2009, 12:58 PM
#3
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I had the same codes with different symptoms; dead pedal after cancelling the cruise control. Tried resetting the APPS but that only provided temporary relief. Replaced the TPS and that took care of the problem. The cost was about $500, including labor, at a local repair shop.
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