NHTSA Campaign Number

18V556000

POWER TRAIN:AXLE ASSEMBLY

Reported to NHTSA: August 23, 2018

Key Takeaways

Recall 18V556000 currently maps to 2 tracked vehicle-year pages across 1 make.
This page summarizes the official defect description, safety consequence, and remedy text published by NHTSA for this campaign.
This is a campaign-level lookup, not a VIN-level clearance result. Use a VIN lookup before assuming your specific vehicle is still open.

Useful Next Steps

Check a VIN for an open recall Read what to do after a recall notice Browse more powertrain & transmission recalls Open an affected vehicle page

Defect Description

Chrysler (FCA US LLC) is recalling certain 2018-2019 RAM 1500 trucks. The rear differential may have been insufficiently filled, possibly resulting in its failure.

Safety Consequence

If the rear axle assembly fails, it can cause a loss of drive or the rear wheels may lock up. Either scenario increases the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will inspect the rear axle oil level. Rear axles with an insufficient amount of oil will be replaced, free of charge. The recall began September 26, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U88.

What This Recall Page Shows

This page summarizes a single NHTSA recall campaign, including the defect description, safety consequence, and manufacturer's remedy. The affected vehicles listed below are the make/model/year combinations tracked in our database — this is not a VIN-specific result. To check whether your individual vehicle is covered by this recall, enter your 17-digit VIN at nhtsa.gov/recalls. Click any vehicle below to view its full safety profile.

VIN recall lookup guide What to do after a recall More powertrain & transmission recalls

Affected Vehicles (2)

Year	Make	Model
2018	Ram	1500
2019	Ram	1500

Browse Affected Vehicles

Related Powertrain & Transmission Campaigns

These campaigns share the same broad recall component family, so they are useful if you want to compare how similar issue types appeared across other vehicles and time periods.

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This recall information is from NHTSA campaign 18V556000. This site is not affiliated with NHTSA. Contact your dealer or call NHTSA's Vehicle Safety Hotline at 1-888-327-4236 for more information.

Data synced from NHTSA on May 4, 2026