2012 Chevrolet Tahoe: Timing chain failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2012 Tahoe report: timing chain failure. CarComplaints.com lists 1 owner complaints, average mileage 88,000 miles.
NHTSA has 9 owner complaints for the 2012 Tahoe in this area. Examples:
- NHTSA complaint ODI #11657526 (filed 04/29/2025): “The contact owns a 2012 chevrolet tahoe. the contact stated that while driving at an undisclosed speed, the vehicle lost motive power with the check engine warning light illuminated. the vehicle was towed to an independent mechanic where it was diagnosed that …”
- NHTSA complaint ODI #11362432 (filed 10/02/2020): “While driving down the road my vehicle shuts down on occasion. interior lights, radio, dash panel, transmission and engine shut down while driving. also door locks, lock and unlock. this has happened multiple times. last year i was told that the problem was re…”
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: none clearly reported. 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 .