Acura P1121: Throttle Position Sensor Intermittent High Input
Is your scanner showing Acura P1121?
No worries. We'll show you what it means and how to deal with it.
Acura P1121: Throttle Position Sensor Intermittent High Input
OVERVIEWWhat Does The Acura P1121 Code Mean?
Engine started, and the PCM detected an unexpected high signal of over 4.90v on the TP sensor circuit for 0.15 seconds over a 1.5 second period during the CCM continuous test.
Note: For additional help with this code, view the Failure Records.
What Are The Potential Causes Of The Acura P1121 Code?
- TP sensor signal circuit is open between the sensor and PCM
- TP sensor ground circuit is open between the sensor and PCM
- TP sensor signal circuit is shorted to VREF or system power
- TP sensor is damaged or has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Dorman 911-753 Throttle Position Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2001 Engine Performance Acura Self-Diagnostics, MDX, 3.2CL & 3.2TL, page 34.
