2020 Toyota Tacoma: Faulty ignition
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Tacoma report: faulty ignition. CarComplaints.com lists 1 owner complaints, average mileage 1,500 miles.
NHTSA has 14 owner complaints for the 2020 Tacoma in this area. Examples:
- NHTSA complaint ODI #11716242 (filed 02/06/2026): “I am having same issue as the incident i found here 12/06/2025, listed under complaints-i live in rio rancho nm- concern it involves the automatic transmission torque converter specifically torque-converter lock-up behavior, the issue presents as a vibration/s…”
- NHTSA complaint ODI #11712671 (filed 01/22/2026): “Toyota has a manufacturing defect going on with their v6 in gen 3tacoma's. i have a 2020 limited with 48,200 miles that needs a new cylinder head. it threw a check engine light on me, and luckily enough i took it to the dealership within about 30 miles, otherw…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: order new ignition and replace (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .