🔧 FixIt
🟡

P2635 on CHEVROLET TAHOE

Fuel Pump A Low Flow/Performance

NHTSA Reports
6
Severity
Medium
Most Affected
2019, 2017
Crashes / Fires
0 / 0
Source: NHTSA Complaints Database · SAE J2012

What P2635 Means on Your CHEVROLET TAHOE

P2635 is a diagnostic trouble code indicating: Fuel Pump A Low Flow/Performance. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

6 CHEVROLET TAHOE owners have reported this issue to NHTSA across model years 2017-2019. Most reports come from the 2019, 2017 model years. The most commonly reported component is Power Train,Fuel/Propulsion System (83.3% of reports).

Real CHEVROLET TAHOE Owner Reports

Source: NHTSA Complaints Database

"7/14/23 Shuts off while driving. 11/02/23 complaint: unit sputters cause: code #P2635 fuel pump flow performance"

— 2017 CHEVROLET TAHOE owner · POWER TRAIN,FUEL/PROPULSION SYSTEM · Filed 07/14/2023

"This vehicle is owned by the City of Fort Lauderdale Police Department. We are submitting complaints for multiple Tahoe's that have stopped during operation causing extreme danger to our staff and other drivers in the city."

— 2019 CHEVROLET TAHOE owner · POWER TRAIN,FUEL/PROPULSION SYSTEM · Filed 03/04/2023

"This vehicle is owned by the City of Fort Lauderdale Police Department. We are submitting complaints for multiple Tahoe's that have stopped during operation causing extreme danger to our staff and other drivers in the city."

— 2019 CHEVROLET TAHOE owner · POWER TRAIN,FUEL/PROPULSION SYSTEM · Filed 07/19/2023

"This vehicle is owned by the City of Fort Lauderdale Police Department. We are submitting complaints for multiple Tahoe's that have stopped during operation causing extreme danger to our staff and other drivers in the city."

— 2019 CHEVROLET TAHOE owner · POWER TRAIN,ENGINE · Filed 04/02/2024

"This vehicle is owned by the City of Fort Lauderdale Police Department. We are submitting complaints for multiple Tahoe's that have stopped during operation causing extreme danger to our staff and other drivers in the city."

— 2019 CHEVROLET TAHOE owner · POWER TRAIN,FUEL/PROPULSION SYSTEM · Filed 07/12/2023

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

📊 Complaint Trend by Model Year

1
'17
5
'19

Common Causes on CHEVROLET TAHOE

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,FUEL/PROPULSION SYSTEM 83.3%
POWER TRAIN,ENGINE 16.7%

What To Do Next

  1. 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. 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. 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 P2635 mean on a CHEVROLET TAHOE? ▾
P2635 indicates: Fuel Pump A Low Flow/Performance. This is a powertrain code. 6 CHEVROLET TAHOE owners have reported this to NHTSA.
What are the most common causes of P2635 on CHEVROLET TAHOE? ▾
Based on 6 NHTSA reports, the most commonly cited components are: Power Train,Fuel/Propulsion System, Power Train,Engine. These percentages are based on the component field in owner complaints.
Is P2635 serious on my CHEVROLET TAHOE? ▾
Of 6 NHTSA reports for this code on CHEVROLET TAHOE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.
What should I do if my CHEVROLET TAHOE shows P2635? ▾
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.

P2635 on Other Vehicles

→ All codes reported on CHEVROLET TAHOE