DTC P1122: TP Sensor Stuck Closed: Condition
DTC is set when throttle opening angle remains less than 12.5 percent, engine coolant temperature is more than 176°F (80°C), and Mass Air Flow (MAF) sensor reading is more than 7.7 lbs/Min. Possible causes are:
- Throttle Position (TP) sensor malfunction.
- PCM malfunction.
- Corrosion or voltage drop in circuit.