P0089 on GMC TERRAIN — Fuel Pressure Regulator A Performance

Q: "What does P0089 mean on a GMC TERRAIN?"

"P0089 indicates: Fuel Pressure Regulator A Performance. This is a fuel and air metering code. 3 GMC TERRAIN owners have reported this to NHTSA."

Q: "What are the most common causes of P0089 on GMC TERRAIN?"

"Based on 3 NHTSA reports, the most commonly cited components are: Unknown Or Other,Engine,Fuel/Propulsion System, Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0089 serious on my GMC TERRAIN?"

"Of 3 NHTSA reports for this code on GMC TERRAIN, 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 TERRAIN shows P0089?"

"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 P0089 Means on Your GMC TERRAIN

P0089 is a diagnostic trouble code indicating: Fuel Pressure Regulator A Performance. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 GMC TERRAIN owners have reported this issue to NHTSA across model years 2012-2023. Most reports come from the 2012, 2017 model years. The most commonly reported component is Unknown Or Other,Engine,Fuel/Propulsion System (66.7% of reports).

Real GMC TERRAIN Owner Reports

Source: NHTSA Complaints Database

"My car oil consumption is excessive. i have repetitive codes: p0089, p0300, p0366, p228d, p0014 and the check engine light being on. car is jerking back and forth when at a stop light. tapping noise made also."

— 2012 GMC TERRAIN owner · UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM · Filed 04/02/2019

"I had a message flash that said the power to the engine was reduce. Next message said check stabilink ( or something similar).. it said drive with caution. I live 2 mins from my job I drove home and pulled in the driveway I then felt the car act like it wanted to shake."

— 2017 GMC TERRAIN owner · UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM · Filed 02/10/2026

"1st Failure. August 28, 2025. Vehicle stalled out while driving with NO warning. Check engine light stayed on. Could not drive. Car towed to dealership. Scanned codes found: p0089, p00c6 and p228c. Cause: Internal failure. Bulletin pertaining to this issue performed. Program of ecm per bulletin."

— 2023 GMC TERRAIN owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 08/28/2025

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

📊 Complaint Trend by Model Year

1

'12

1

'17

1

'23

Common Causes on GMC TERRAIN

Based on NHTSA complaint component analysis for this vehicle.

UNKNOWN or OTHER,ENGINE,FUEL/PROPULSION SYSTEM 66.7%

ENGINE,FUEL/PROPULSION SYSTEM 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 P0089 mean on a GMC TERRAIN? ▾

P0089 indicates: Fuel Pressure Regulator A Performance. This is a fuel and air metering code. 3 GMC TERRAIN owners have reported this to NHTSA.

What are the most common causes of P0089 on GMC TERRAIN? ▾

Based on 3 NHTSA reports, the most commonly cited components are: Unknown Or Other,Engine,Fuel/Propulsion System, Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0089 serious on my GMC TERRAIN? ▾

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

What should I do if my GMC TERRAIN shows P0089? ▾

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.

P0089 on Other Vehicles

→ All codes reported on GMC TERRAIN