P2122 on DODGE DART — Throttle/Pedal Position Sensor/Switch D Circuit Low

Q: "What does P2122 mean on a DODGE DART?"

"P2122 indicates: Throttle/Pedal Position Sensor/Switch D Circuit Low. This is a powertrain code. 2 DODGE DART owners have reported this to NHTSA."

Q: "What are the most common causes of P2122 on DODGE DART?"

"Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Air Bags,Service Brakes, Vehicle Speed Control. These percentages are based on the component field in owner complaints."

Q: "Is P2122 serious on my DODGE DART?"

"Of 2 NHTSA reports for this code on DODGE DART, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my DODGE DART shows P2122?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P2122 Means on Your DODGE DART

P2122 is a diagnostic trouble code indicating: Throttle/Pedal Position Sensor/Switch D Circuit Low. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 DODGE DART owners have reported this issue to NHTSA across model years 2015. Most reports come from the 2015 model year. The most commonly reported component is Electrical System,Air Bags,Service Brakes (50.0% of reports).

Real DODGE DART Owner Reports

Source: NHTSA Complaints Database

"Driving car normally. i parked in a parking lot and went into a store. when i came out to start the car it would not start. charging indicator light and check engine light came on. auto zone was in the plaza so i had the guy come out and do a diagnostic. codes were p0123, p2122, p2127, p0222, u0401."

— 2015 DODGE DART owner · ELECTRICAL SYSTEM,AIR BAGS,SERVICE BRAKES · Filed 10/03/2018

"Whether i am driving my car on the freeway and stopped w/traffic or on a city street at stop light/sign and my foot is on the break, the car has a tendency to take off on its own."

— 2015 DODGE DART owner · VEHICLE SPEED CONTROL · Filed 01/15/2018

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'15

Common Causes on DODGE DART

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM,AIR BAGS,SERVICE BRAKES 50%

VEHICLE SPEED CONTROL 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P2122 mean on a DODGE DART? ▾

P2122 indicates: Throttle/Pedal Position Sensor/Switch D Circuit Low. This is a powertrain code. 2 DODGE DART owners have reported this to NHTSA.

What are the most common causes of P2122 on DODGE DART? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Air Bags,Service Brakes, Vehicle Speed Control. These percentages are based on the component field in owner complaints.

Is P2122 serious on my DODGE DART? ▾

Of 2 NHTSA reports for this code on DODGE DART, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my DODGE DART shows P2122? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.