P0700 on SUBARU OUTBACK — Transmission Control System (MIL Request)

Q: "What does P0700 mean on a SUBARU OUTBACK?"

"P0700 indicates: Transmission Control System (MIL Request). This is a transmission code. 3 SUBARU OUTBACK owners have reported this to NHTSA."

Q: "What are the most common causes of P0700 on SUBARU OUTBACK?"

"Based on 3 NHTSA reports, the most commonly cited components are: Power Train, Power Train,Vehicle Speed Control. These percentages are based on the component field in owner complaints."

Q: "Is P0700 serious on my SUBARU OUTBACK?"

"Of 3 NHTSA reports for this code on SUBARU OUTBACK, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my SUBARU OUTBACK shows P0700?"

"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 P0700 Means on Your SUBARU OUTBACK

P0700 is a diagnostic trouble code indicating: Transmission Control System (MIL Request). This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 SUBARU OUTBACK owners have reported this issue to NHTSA across model years 2011-2012. Most reports come from the 2011, 2012 model years. The most commonly reported component is Power Train (66.7% of reports).

Real SUBARU OUTBACK Owner Reports

Source: NHTSA Complaints Database

"I was driving at 65mph on highway in a like new 2011 Subaru Outback with 146,000 miles when the transmission valve body crapped out. This caused a severe shutter and loss of power like a missed gear, but thankfully I was able to coast off the highway without using the gas or without crashing."

— 2011 SUBARU OUTBACK owner · POWER TRAIN · Filed 08/04/2021

"P0700/p2764 code after every light on the dash lit up after driving in hard rain. vehicle shifts hard and is randomly stalling while driving. after extensive research transmissions are failing and subaru refuses to recall the cvt transmissions in effected vehicles."

— 2011 SUBARU OUTBACK owner · POWER TRAIN,VEHICLE SPEED CONTROL · Filed 04/26/2020

"Vehicle shutters and stalls when braking on a city street, especially in colder weather (i first noticed this in the winter of 2018). on sept. 13, 2020, the vehicle violently lurched forward as i pulled out on a city street at lower speeds."

— 2012 SUBARU OUTBACK owner · POWER TRAIN · Filed 12/01/2018

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

📊 Complaint Trend by Model Year

2

'11

1

'12

Common Causes on SUBARU OUTBACK

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN 66.7%

POWER TRAIN,VEHICLE SPEED CONTROL 33.3%

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 P0700 mean on a SUBARU OUTBACK? ▾

P0700 indicates: Transmission Control System (MIL Request). This is a transmission code. 3 SUBARU OUTBACK owners have reported this to NHTSA.

What are the most common causes of P0700 on SUBARU OUTBACK? ▾

Based on 3 NHTSA reports, the most commonly cited components are: Power Train, Power Train,Vehicle Speed Control. These percentages are based on the component field in owner complaints.

Is P0700 serious on my SUBARU OUTBACK? ▾

Of 3 NHTSA reports for this code on SUBARU OUTBACK, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my SUBARU OUTBACK shows P0700? ▾

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.