2015 RAM 1500 suspension problems
severe 48 complaints filed with NHTSA · avg repair $900 · see suspension across all vehicles →
Owners have filed 48 suspension complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 9 model years of RAM 1500 in our records for suspension problems, this one ranks #3 by owner-complaint volume.
The failure pattern owners describe
Buyer takeaway: The 2015 Ram 1500's air suspension system is a chronic problem—it fails randomly, especially in cold weather, leaving owners stranded on bump stops. Multiple owners report five or more dealer visits for the same issue, with repairs costing thousands and often failing within days or weeks. Avoid this truck unless you're willing to budget for immediate replacement or deletion of the air suspension system, which can run $6,000–$8,000 in parts and labor.
The 2015 Ram 1500 has a documented history of catastrophic air suspension failures. Owners describe the system dropping unpredictably to bump stops—both sitting overnight and at highway speeds—causing violent bouncing, uncontrollable swerving, and near-loss of control. Multiple owners report the problem recurring immediately after repair, with one owner visiting the shop five times in 14 months for the same issue. In cold weather below 10°F, the system fails routinely and becomes completely inoperative. Dealers widely acknowledge this as a known problem with no effective solution; some suggest physically removing the system. A software TSB (08-051-16) was issued to dealers in April 2016 but owners report not being informed until after warranty expiration.
Highway vibration from 50–75 MPH is another widespread complaint, felt primarily in the rear and unresolved by tire service despite multiple replacements and balancing attempts. One experienced mechanic consumed five tire sets under 65,000 miles across four brands. Partial or uneven suspension deflation (one corner dropping 2–3 inches) occurs randomly and makes steering extremely difficult at highway speeds. Rear axle bearing and sway bar issues are also reported. One owner experienced complete front axle detachment at low speed, resulting in a collision and personal injury. Traction control frequently goes out alongside air suspension failures, compounding handling hazards.
Same RAM 1500 suspension reports on nearby years: 2013 · 2014 · 2016 · 2017 · 2018
Failure modes owners describe
Air suspension random deflation / loss of air pressure
The air suspension system loses air pressure unpredictably, causing the vehicle to drop to its lowest setting or ride on bump stops. This occurs without warning while driving, parked overnight, or sitting stationary. Owners report it happens at highway speeds and surface streets with no discernible pattern.
When: Random; can occur at any mileage; some owners report recurring failures over months or years of ownership
Symptoms owners cite: Air suspension warning message 'service air suspension immediately'; Vehicle drops to lowest setting or rides on bump stops; Loss of air pressure in rear airbags, sometimes front, sometimes one side only; Bouncing and violent oscillation when deflated; Uncontrollable swerving and swaying, especially over bumps; Vehicle sits unevenly or completely flat on frame
Codes mentioned: Air suspension system failure codes (not specified in narratives)
Repairs/costs cited: Owners report compressor replacement, front/rear air bag replacement, fuse replacement (40A fuse blowing), compressor lines, pump & manifold assembly replacement. Parts costs cited: front air spring/shock assembly $1,800 each, rear air spring $1,400, pump $3,000, lines $1,000, labor $2,000–$3,000. Repairs frequently fail to resolve the issue permanently; one owner reported five shop visits for air suspension in 14 months.
Recalls/TSBs owners mention: Some owners mention TSB 16-001-14 (NHTSA ID 10056977) and TSB 08-051-16 regarding cold-weather software flaw. Dealers reportedly unaware of or unable to locate these bulletins. One owner reports dealership stated the system could be disabled entirely. No recalls found for air suspension system failure itself; some owners report being denied coverage when manufacturer denies recall existence.
Air suspension cold-weather failure
In temperatures below freezing (particularly below 10°F and in -30°F conditions), the air suspension system fails to maintain or achieve proper ride height. The vehicle loses all suspension function and drops to bump stops, becoming undriveable. Occurs both while parked overnight and while driving in cold conditions.
When: Winter months; temperatures below 10°F; most severe in -20°F to -30°F; owners in Minnesota, Montana, and other cold climates report frequent occurrences
Symptoms owners cite: Air suspension not available message; Selected ride height unavailable message; Vehicle drops to bump stops and cannot re-inflate; 40A fuse blows when attempting to inflate air bags in cold; Vehicle sits nose-down, rear-down, or one corner down; Impossible to drive; extremely rough, bouncy ride; Vehicle wanders on icy/packed roads; mild fish-tail effect reported
Codes mentioned: Air suspension disabled in cold (system limitation, not failure code)
Repairs/costs cited: Dealers have acknowledged this is a known problem with no effective fix. One owner reports dealership stated even after full system replacement, durability would be uncertain (2–6 months to 2 years). Software update (TSB 08-051-16) was issued by Chrysler on 4-23-2016 to dealers but owners report not being notified until warranty expired. Update charged $90 in at least one case.
Recalls/TSBs owners mention: TSB 08-051-16 issued 4-23-2016 noting design flaw in air suspension control module and recommending software update. Dealers characterize as 'known problem' with no fix. No recalls issued. One owner received software update in 2-15-2019 after frequent cold-weather failures beginning winter 2016.
Highway vibration at 50–75 MPH (non-air-suspension related)
Persistent vibration at highway speeds between 50 and 75 MPH, felt primarily in rear (seat, floorboard, center console). Occurs from vehicle delivery or very early in ownership. Worsens on highways with wide sweeping turns. Not resolved by tire service (replacement, balancing, rotation) or suspension inspection.
When: From delivery or within first months of ownership; affects vehicles at 6,000–10,000 miles and beyond; persistent over time
Symptoms owners cite: Vibration at 50–75 MPH, primarily felt in rear seat and floorboard; Worsens with sweeping turns; Shaking in steering wheel and drive train reported in some cases; Vibration felt throughout vehicle at certain speeds; Becomes unsafe if driver must slow down to reduce vibration
Codes mentioned: No diagnostic codes mentioned in narratives
Repairs/costs cited: Tire replacement and balancing have not resolved the issue. One owner (35+ years mechanic) reports five sets of tires consumed under 65,000 miles across four different brands. One owner reports transmission required warranty repair after vibration worsened. Independent mechanics and dealerships unable to identify root cause despite multiple visits; some report finding no vibration during inspection.
Recalls/TSBs owners mention: TSB referenced (16-001-14, NHTSA ID 10056977) by one owner; dealer claimed no knowledge of it. No recalls or service bulletins specifically cited for highway vibration issue.
Driveline/axle bearing wear and failure
Rear axle wear, bearing failure, or grinding noise from rear suspension area. Axle bearing improperly heat-treated, causing steel to weaken faster than bearing itself. Grinding noise reported after dealer repair under unrelated recall.
When: At 67,500 miles (bearing failure case); at 148,800 miles (axle heat-treat defect case); grinding noise at 9,933 miles (after dealer suspension repair)
Symptoms owners cite: Abnormal banging sound from rear axle; Grinding noise emerging from rear of vehicle; Vibration while driving
Codes mentioned: Related to NHTSA Campaign 15V661000 (Powertrain)
Repairs/costs cited: Rear axle replacement required. One owner's independent mechanic identified need for rear axle replacement; manufacturer and dealer denied coverage.
Recalls/TSBs owners mention: Manufacturer denied recall existence; referred owner to NHTSA. Dealer stated vehicle not included in unknown recall for axle failure. Campaign 15V661000 (Powertrain) referenced but manufacturer response not detailed.
Partial or uneven suspension deflation
Air suspension system loses pressure on one side or select corners of the vehicle (e.g., driver front only, rear only, left side only, right side only) causing the vehicle to lean, sit unevenly, and exhibit unpredictable handling. Can occur while driving or parked.
When: Random; can occur at any mileage; especially noted in colder climates; may happen days or weeks apart or multiple times in one trip
Symptoms owners cite: One corner or side of vehicle drops 2–3 inches at highway speeds; Vehicle leans 30 degrees down on driver side; Uneven ride height, nose-down or rear-down position; Steering becomes difficult; excessive effort required; Vehicle sways side to side when going over bumps and bridges; Almost uncontrollable swerving due to uneven suspension
Codes mentioned: No specific codes mentioned
Repairs/costs cited: Rear airbags, front airbags, air springs replaced in various cases. One owner reports left front air spring leaked. Repairs do not prevent recurrence.
Recalls/TSBs owners mention: No recalls or service bulletins specifically addressing uneven deflation noted in narratives.
Rear suspension air bag compressor failure
Air bag compressor/pump assembly stops working or fails abruptly, disabling the rear air suspension system. Vehicle warning message displayed, vehicle rides flat on axle/frame.
When: At 49,000 miles (one documented case); can occur at highway speeds without warning
Symptoms owners cite: Service air suspension message displayed; Rear end sits flat on axle; Extremely rough ride when compressor fails; Other parts of vehicle shake violently on road bumps
Codes mentioned: No specific codes provided
Repairs/costs cited: Rear compressor replacement required. One dealer suggested disabling entire air bag system. Estimated cost: pump ~$3,000.
Recalls/TSBs owners mention: Manufacturer notified in at least one case; no specific recall or warranty action documented.
Front axle/suspension component detachment
Complete detachment of front driver side axle and related components from vehicle while driving at moderate speed. Vehicle pulled out of lane and sideswipe occurred; vehicle continued to accelerate until coming to stop with front collapsed to ground.
When: At approximately 2,000 miles
Symptoms owners cite: Front driver side axle and related components detached; Vehicle traveled out of lane independently; Sideswipe collision with another vehicle; Front driver and passenger tires positioned inwardly; Front driver side collapsed to ground
Codes mentioned: No diagnostic codes mentioned
Repairs/costs cited: Vehicle towed to dealer; not diagnosed or repaired per narrative. Owner sustained knee injuries but medical attention was not required.
Recalls/TSBs owners mention: Manufacturer notified; no repair or recall action documented. Police report filed.
Rear suspension sway and handling instability over bumps
Rear of vehicle begins to sway or slide when striking bumps or dips in road at moderate to highway speeds. Vehicle becomes difficult to control; anti-lock brake system activates. Multiple incidents reported across different road conditions.
When: At 1,300 miles; recurring over multiple occasions; particularly with load >300 lbs on bed
Symptoms owners cite: Rear sways to right when striking bump or dip; Truck slides on road when hitting bumps; Anti-lock brake system kicks in; Loss of control is feared, especially when towing; Bouncing across diagonal path (right front to rear left); Riding on bump stops amplifies bump harshness
Codes mentioned: No codes specified
Repairs/costs cited: No repairs documented; dealers unable to diagnose or dealers claim no problem detected.
Recalls/TSBs owners mention: No manufacturer response or recall documented.
Front sway bar rust/weld failure
Front sway bar welds have rusted out, compromising structural integrity. No warning lights, but part is available for visual inspection.
When: At time of complaint; no mileage specified
Symptoms owners cite: Welds on front sway bar rusted out; No warning lights illuminated
Repairs/costs cited: Visual inspection confirmed by independent service center; no repair or diagnostic work detailed.
Front suspension popping noise
Popping sound emanating from front driver side of vehicle at both low and highway speeds, occurring while driving straight or turning left or right.
When: No mileage or timing specified
Symptoms owners cite: Popping noise from front driver side; Occurs at low and high speeds; Occurs while driving straight and turning
Synthesized from 48 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Common questions
How serious is the suspension problem on the 2015 RAM 1500?
It's a meaningful issue. 48 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $900.
At what mileage does the suspension typically fail?
Across the 29 complaints that reported odometer mileage, most suspension failures cluster between 28,000 and 88,000 miles, with the median around 66,000. A quarter of owners report trouble before 28,000; a quarter make it past 88,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $900 for suspension repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to suspension?
No active recalls currently cover suspension issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.