2012 Toyota Tundra Fuel/propulsion System Problems
NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How fuel/propulsion system ranks on this vehicle
Share of the 154 complaints citing each category; one complaint can cite several. Full breakdown on the 2012 Toyota Tundra overview page.
What owners report
“VERY SERIOUS MALFUNCTION WITH AIR INJECTION PUMP. THIS HAPPENED TO OCCUR AFTER FILLING UP THE GAS TANK. MULTIPLE DASHBOARD LIGHTS CAME ON AND THE TRUCK…”NHTSA complaint 11350696 — filed 08/21/2020
“THE TRAC OFF LIGHT AND CHECK ENGINE LIGHT CANS ON AT THE SAME TIME. I TOOK IT TO TOYOTA AND THEY SAID THERE WAS AN…”NHTSA complaint 11343890 — filed 08/07/2020
“MY 2012 TUNDRA HAD A TRAC OFF AND ENGINE LIGHT COME ON. THIS IS THE SAME PROBLEM FOR NUMEROUS TOYOTA TUNDRA IN REGARDS TO FAILURE…”NHTSA complaint 11342387 — filed 07/30/2020
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Fuel/propulsion System complaints by year filed
Frequently asked questions
Does the 2012 Toyota Tundra have fuel/propulsion system problems?
Fuel/propulsion System is the #2 most-reported problem area on the 2012 Toyota Tundra: 25 of 154 complaints on file (16.2%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2012 Toyota Tundra have in total?
154 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 7 involved a crash, 2 involved a fire, 5 reported injuries, and none reported deaths.
What does NHTSA's fuel/propulsion system category include?
NHTSA assigns each complaint to standard component categories; this page reports the FUEL/PROPULSION SYSTEM category exactly as NHTSA defines and records it.
