P0122High Priority
Throttle/Pedal Position Sensor/Switch A Circuit Low Input
Category: Powertrain• Fuel and Air Metering
11 articles · 4 makes affected
What is P0122?
Throttle Position Sensor (TPS) Circuit Low Input. The TPS is reporting abnormally low voltage, indicating a short circuit or sensor failure.
Symptoms You May Notice
- ●Check engine light
- ●Engine stalling
- ●No throttle response
- ●Limp mode activated
How to Fix It
- ●Replace TPS ($100-$300, intermediate)
- ●Repair short in wiring ($100-$300, intermediate)
Owner Statistics
Based on 92,923 real owner discussions • 2858 confirmed solutions
$1,624
Average Repair Cost
3%
Success Rate
28%
DIY Repairs
92,923
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see P0122.
Based on analysis of 2 owner reports where multiple codes appeared together.
Issues by Vehicle
FORD
2010 Mustang
How to Fix Intake Leaks on Your 2010 Ford Mustang
83 sources
2010 Mustang
2010 Ford Mustang Head Gasket Replacement: Symptoms, Diagnosis, and Repair
161 sources
2020 Ranger
Why Your Ford Ranger Lurches When Starting (And How to Fix It)
124 sources
2020 Ranger
Why Your Ford Ranger Idles Rough and How to Fix It
104 sources
NISSAN
2020 Maxima
Why Your 2020 Nissan Maxima Vibrates (And How to Stop It)
1.8K sources
2020 Maxima
How to Diagnose and Fix a Clicking Noise in Your Nissan Maxima
1.8K sources
2020 Maxima
Why Your 2020 Nissan Maxima Has No Power (The Axle Nut Problem)
3.3K sources
2020 Maxima
Why Your 2020 Nissan Maxima Hesitates When Accelerating
1.7K sources