2020 Ram 1500: Rear windshield leaking
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 1500 report: rear windshield leaking. CarComplaints.com lists 4 owner complaints, average mileage 41,500 miles.
NHTSA has 63 owner complaints for the 2020 1500 in this area. Examples:
- NHTSA complaint ODI #11769762 (filed 10/07/2026): “The hvac heater core assembly failed internally. the machic mentioned that this componet is "going out" in these vehicals. he refered me to the dealership. this should be a recall. i was put at severe risk because the the vehicle had a sudden, severe loss of…”
- NHTSA complaint ODI #11752735 (filed 07/24/2026): “The contact owns a 2020 ram 1500. the contact stated that there was water leaking from the rear window of the vehicle. the contact referenced technical service bulletin: 23-098-23, detailing a crack in the rear window near the third brake light that could allo…”
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: place the rear window frame because it is cracked (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Leaks can often be traced with a water test and resealed; glass replacement is a pro job. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $1,500 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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