P2104 on FORD FUSION — Throttle Actuator Control System - Forced Idle

Q: "What does P2104 mean on a FORD FUSION?"

"P2104 indicates: Throttle Actuator Control System - Forced Idle. This is a powertrain code. 5 FORD FUSION owners have reported this to NHTSA."

Q: "What are the most common causes of P2104 on FORD FUSION?"

"Based on 5 NHTSA reports, the most commonly cited components are: Fuel/Propulsion System, Vehicle Speed Control,Engine, Engine And Engine Cooling,Power Train. These percentages are based on the component field in owner complaints."

Q: "Is P2104 serious on my FORD FUSION?"

"Of 5 NHTSA reports for this code on FORD FUSION, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my FORD FUSION shows P2104?"

"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 P2104 Means on Your FORD FUSION

P2104 is a diagnostic trouble code indicating: Throttle Actuator Control System - Forced Idle. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

5 FORD FUSION owners have reported this issue to NHTSA across model years 2008-2011. Most reports come from the 2009, 2008 model years.

Real FORD FUSION Owner Reports

Source: NHTSA Complaints Database

"While driving at low speeds the car has on several occasions surged forward and last week after starting the car the gas pedal was unresponsive and the "wrench" warning light came on. i restarted it and it seemed to be ok but the check engine light was on."

— 2008 FORD FUSION owner · FUEL/PROPULSION SYSTEM · Filed 09/26/2015

"My ford fusion was parked at the time of the incident. i went to start the car and it took at long time to crank and ran very roughly when idling. the check engine and wrench lights were illuminated."

— 2009 FORD FUSION owner · FUEL/PROPULSION SYSTEM · Filed 09/12/2016

"On 8/10/2014, after pulling out of the driveway, we noticed a reduction in acceleration on our 2009 ford fusion. the check engine light came on and upon taking the vehicle to autozone, the codes p2112 and p2104 showed up indicating a defect with the throttle body."

— 2009 FORD FUSION owner · VEHICLE SPEED CONTROL,ENGINE · Filed 08/10/2014

"For the past month the check engine light has appeared and stayed on for a brief time. now it stays on . i have had a diagnostic test done and the results were p2112, p0721 and p2104. there appear to be a bad app sensor, throttle actuator control system-forced idle, stuck closed and failed ecm."

— 2009 FORD FUSION owner · ENGINE AND ENGINE COOLING,POWER TRAIN · Filed 10/21/2013

"This happened sometime back, however it could be related to your current investigations. when i had approx 1900 miles on the car and while i was going around 70 mph, the car went into limp mode and i lost all throttle control."

— 2011 FORD FUSION owner · ELECTRICAL SYSTEM,ENGINE · Filed 09/02/2011

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

📊 Complaint Trend by Model Year

1

'08

3

'09

1

'11

Common Causes on FORD FUSION

Based on NHTSA complaint component analysis for this vehicle.

FUEL/PROPULSION SYSTEM 40%

VEHICLE SPEED CONTROL,ENGINE 20%

ENGINE and ENGINE COOLING,POWER TRAIN 20%

ELECTRICAL SYSTEM,ENGINE 20%

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 P2104 mean on a FORD FUSION? ▾

P2104 indicates: Throttle Actuator Control System - Forced Idle. This is a powertrain code. 5 FORD FUSION owners have reported this to NHTSA.

What are the most common causes of P2104 on FORD FUSION? ▾

Based on 5 NHTSA reports, the most commonly cited components are: Fuel/Propulsion System, Vehicle Speed Control,Engine, Engine And Engine Cooling,Power Train. These percentages are based on the component field in owner complaints.

Is P2104 serious on my FORD FUSION? ▾

Of 5 NHTSA reports for this code on FORD FUSION, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my FORD FUSION shows P2104? ▾

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.

P2104 on Other Vehicles

→ All codes reported on FORD FUSION