Buyer Research

2015 Ram 1500 EcoDiesel — Should You Buy One?

Typical asking price: $14,000–$24,000. There are 3 high-severity known issues you need to know before handing over a check.

Kestrel Take

A 3.0L V6 diesel half-ton that gets 28 mpg on the highway and carries a complicated history — an emissions settlement, an EGR cooler recall, and reports of bearing failures. Buy one only with a complete service file and the recall work confirmed.

Known Issues for the 2015 Ram 1500 EcoDiesel

Ranked by wallet impact. These are documented, recurring problems — not freak accidents.

EGR cooler failure and fire risk (recall)High — wallet impact

FCA recalled EcoDiesel engines for EGR coolers that crack and can cause an engine bay fire. Confirm the recall is closed on the VIN.

Repair cost range: $0 recall

Main and rod bearing failureHigh — wallet impact

Reported bearing wear leading to knocking and engine replacement, particularly on engines with extended oil intervals.

Repair cost range: $8,000-$14,000

Emissions modification aftermathHigh — wallet impact

These engines were part of an emissions settlement and received a software modification. Post-fix cars run more aggressive regenerations and some owners report reduced economy and more DPF work.

Repair cost range: $1,500-$4,000

Turbo actuator and DEF system faultsMedium

DEF heater failures and turbo actuator faults trigger derate countdowns.

Repair cost range: $800-$2,500

Walk-Away Red Flags

✗Any knock or tick at idle
✗Open recalls, especially the EGR cooler
✗Oil changes stretched past 10,000 miles
✗No documentation of the emissions modification

Good Signs

✓All recalls closed with dealer paperwork
✓Oil changes every 5,000-7,000 miles with the correct specification
✓Highway towing use with a complete file

Found a specific Ram 1500 EcoDiesel?

This page covers what goes wrong on the 2015 Ram 1500 EcoDiesel in general. The Kestrel report covers this specific car— the asking price vs. market, the photos, the seller's description, and a BUY / NEGOTIATE / WALK AWAY verdict with a negotiation script.

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Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.

Other Ram 1500 EcoDiesel years

2020 Ram 1500 EcoDiesel

$28,000–$40,000