DTC P0123: TP Sensor High Input: Condition

DTC is set when Powertrain Control Module (PCM) detects input voltage from Throttle Position (TP) sensor is more than 4.79 volts after ignition is turned on. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• TP sensor malfunction.
• Open or short circuit between TP sensor and PCM.