P0700 on Gmc Terrain
Transmission Control System (MIL Request)
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Gmc Terrain context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0700.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0700 Means on Your Gmc Terrain
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.
Real Gmc Terrain Owner Reports
Source: NHTSA Complaints Database
"Code p0700 was indicated at a professional transmission shop. My vehicle started driving different. It is a scary feeling. I have a ten year old daughter who I commute to school and safety is the utmost of importance."
"Hello. As I come to a complete stop the car will go into auto-stop. After releasing the brake pedal the car will jerk forward . As I press the gas pedal the car Jerks and shakes . The rpm jumps way up and the mph say low.."
"The contact owns a 2024 GMC Terrain. The contact stated that while his wife was driving at various speeds, the vehicle experienced a loss of automotive power. The check engine and transmission warning lights were illuminated."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Gmc Terrain
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.