P1220
Series Throttle Control System Malfunction
P1220 is an OBD-II diagnostic trouble code meaning: Series Throttle Control System Malfunction. Common causes: throttle position sensor malfunction, problems with the throttle motor. Estimated repair cost: $33–167.
Symptoms
- Reduced engine power
- Unstable operation at idle
- Check Engine Light Illuminates
- The car goes into emergency mode
- Acceleration problems
Causes
- Throttle Position Sensor Malfunction
- Problems with the throttle motor
- Open or short circuit in control circuit
- Contamination or mechanical damage to the throttle valve
- Problems with the engine control unit
How to Fix
- Check the condition of the throttle valve and clean if necessary
- Check the integrity of the control circuit and connections
- Test the throttle position sensor
- Check the operation of the throttle motor
- If necessary, replace the throttle assembly
Related codes
Error P1220 by Vehicle Brand
FAQ
What does the P1220 code mean?
P1220 is an OBD-II diagnostic trouble code that indicates: Series Throttle Control System Malfunction
What causes a P1220 error code?
The most common causes of P1220 include: Throttle Position Sensor Malfunction; Problems with the throttle motor; Open or short circuit in control circuit; Contamination or mechanical damage to the throttle valve.
How do I fix a P1220 diagnostic trouble code?
To fix P1220: Check the condition of the throttle valve and clean if necessary. Check the integrity of the control circuit and connections. Test the throttle position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1220?
Limited driving only, diagnose soon
How much does it cost to fix P1220?
The estimated repair cost for P1220 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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