← View Generic P0122 Guide
Severity: Medium
🚗
Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
P0122: Throttle Position Sensor Circuit Low Input
on 2014 Nissan SENTRA
Fix Cost
$20 - $150
Parts & Labor
Difficulty
2/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2014 Nissan
SENTRA
⚠️
Important for 2014 Nissan SENTRA Owners
Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0122 Mean on 2014 Nissan SENTRA?
The throttle position sensor is reading lower voltage than expected, indicating a closed throttle when it may be open.
⚠️
Symptoms
- • Poor acceleration
- • stalling
- • rough idle
- • engine may not rev up properly.
🔍
Common Causes
- • Faulty throttle position sensor
- • wiring short to ground
- • poor sensor connections
- • sensor contamination.
🛠️
How to Fix P0122 on 2014 Nissan SENTRA
Replace throttle position sensor, repair wiring shorts to ground, clean sensor connections, check sensor operation.
🔧
Need Maintenance Info for Your SENTRA?
Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.
View 2014 Nissan SENTRA SpecsParts for 2014 Nissan SENTRA
Essential Tool
🔗
Related Diagnostic Codes
Other codes that may appear with P0122
P0120
Same System
Throttle Position Sensor Circuit Malfunction
Medium
P0121
Same System
Throttle Position Sensor Circuit Range/Performance Problem
Medium
P0123
Same System
Throttle Position Sensor Circuit High Input
Medium
P0124
Same System
P0124: Fuel Pressure Regulator Circuit Malfunction
Medium
P0125
Same System
P0125: Fuel Pressure Regulator Circuit Malfunction
Medium
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system