DTC P1121 Acura

Throttle Position Sensor Intermittent High Input

Throttle Position Sensor Intermittent High Input

Description

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.

Cause and Solution

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

Video Guide

Duration: PT4M14S | Uploaded: 2020-04-18

Diagnostic Info

  • DTC Code: P1121
  • Brand: Acura
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