P0700 on GMC ACADIA — Transmission Control System (MIL Request)

Q: "What does P0700 mean on a GMC ACADIA?"

"P0700 indicates: Transmission Control System (MIL Request). This is a transmission code. 12 GMC ACADIA owners have reported this to NHTSA."

Q: "What are the most common causes of P0700 on GMC ACADIA?"

"Based on 12 NHTSA reports, the most commonly cited components are: Power Train, Electrical System,Air Bags,Electronic Stability Control (Esc), Electrical System,Electronic Stability Control (Esc),Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0700 serious on my GMC ACADIA?"

"Of 12 NHTSA reports for this code on GMC ACADIA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my GMC ACADIA 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 GMC ACADIA

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.

12 GMC ACADIA owners have reported this issue to NHTSA across model years 2007-2021. Most reports come from the 2008, 2007 model years. The most commonly reported component is Power Train (41.7% of reports).

Real GMC ACADIA Owner Reports

Source: NHTSA Complaints Database

"On highway, transmission was stuck and would not shift. check engine light turned on. was attempting to merge onto busy highway and due to high engine revving and not shifting had to keep the vehicle under 45 mph."

— 2007 GMC ACADIA owner · POWER TRAIN · Filed 06/28/2014

"The transmission on my acadia has died. my wife went to pickup our son from a friend's house. the car drove fine on the way over. when they got back in the car, to leave, the car would not go into gear. she could move the shift lever into reverse but the car wouldn't go."

— 2007 GMC ACADIA owner · POWER TRAIN · Filed 09/21/2013

"Stability track warning light keeps coming on i was told by my mechanic that it could be the sensor so i had it replaced with a factory brand gmc sensor and i'm still having the same problem."

— 2008 GMC ACADIA owner · ELECTRICAL SYSTEM,AIR BAGS,ELECTRONIC STABILITY CONTROL (ESC) · Filed 03/10/2020

"Stability track warning light keeps coming on i was told by my mechanic that it could be the sensor so i had it replaced with a factory brand gmc sensor and i'm still having the same problem."

— 2008 GMC ACADIA owner · ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC),ENGINE · Filed 12/03/2019

"Since i purchased the vehicle the service air bag light has been on, now the transmission hot idle engine light is popping on and also service the traction control light and service stabilitrak ligt is coming on."

— 2008 GMC ACADIA owner · POWER TRAIN,AIR BAGS,ELECTRONIC STABILITY CONTROL (ESC) · Filed 07/09/2018

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

📊 Complaint Trend by Model Year

2

'07

8

'08

1

'20

1

'21

Common Causes on GMC ACADIA

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN 41.7%

ELECTRICAL SYSTEM,AIR BAGS,ELECTRONIC STABILITY CONTROL (ESC) 8.3%

ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC),ENGINE 8.3%

POWER TRAIN,AIR BAGS,ELECTRONIC STABILITY CONTROL (ESC) 8.3%

ENGINE 8.3%

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 GMC ACADIA? ▾

P0700 indicates: Transmission Control System (MIL Request). This is a transmission code. 12 GMC ACADIA owners have reported this to NHTSA.

What are the most common causes of P0700 on GMC ACADIA? ▾

Based on 12 NHTSA reports, the most commonly cited components are: Power Train, Electrical System,Air Bags,Electronic Stability Control (Esc), Electrical System,Electronic Stability Control (Esc),Engine. These percentages are based on the component field in owner complaints.

Is P0700 serious on my GMC ACADIA? ▾

Of 12 NHTSA reports for this code on GMC ACADIA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my GMC ACADIA 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.