P1223
Throttle Position Sensor 2 Circuit Low Input
P1223 is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor 2 Circuit Low Input. Common causes: throttle position sensor 2 malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine idling
- Dips during acceleration
- Check Engine Light Illuminates
- Reduced engine power
- The car may go into emergency mode
Causes
- Throttle position sensor 2 malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with power supply or sensor ground
- Malfunction of the engine control unit (rare)
How to Fix
- Check the integrity of the wiring to the sensor
- Check the contacts in the sensor connector
- Measure the resistance and voltage of the sensor
- Replace the throttle position sensor if necessary
- Check and replace wiring harness if necessary
Related codes
Error P1223 by Vehicle Brand
FAQ
What does the P1223 code mean?
P1223 is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor 2 Circuit Low Input
What causes a P1223 error code?
The most common causes of P1223 include: Throttle position sensor 2 malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with power supply or sensor ground.
How do I fix a P1223 diagnostic trouble code?
To fix P1223: Check the integrity of the wiring to the sensor. Check the contacts in the sensor connector. Measure the resistance and voltage of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1223?
Limited driving only, diagnose soon
How much does it cost to fix P1223?
The estimated repair cost for P1223 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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