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Vehicle recall 18V712000 · October 11, 2018

Hymer Aktiv, Hymer Aktiv 2.0 and 6 more models

The undermount generator may overcharge the auxiliary batteries, damaging them.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Erwin Hymer Group North America, Inc. (Erwin Hymer) is recalling certain 2018-2019 Hymer Aktiv and Aktiv 2.0, Carado Axion and Banff and Roadtrek Simplicity, Simplicity SRT, Zion and Zion SRT motorhomes. The undermount generator may overcharge the auxiliary batteries, damaging them.
Consequence
If the supplied sealed batteries are replaced with batteries that are not sealed, overcharging the batteries may result in an acid spill, increasing the risk of injury.
Remedy
Erwin Hymer has notified owners, and dealers will install a new internal voltage regulator into the generator, free of charge. The recall began on October 24, 2018. Owners may contact Erwin Hymer customer service at 1-800-663-0066.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Recall details

NHTSA campaign
18V712000
Reported to NHTSA
October 11, 2018
Filed by
Erwin Hymer Group North America, Inc.
Owner notification
October 24, 2018
Vehicles potentially affected
172
Initiated by
the manufacturer
Components
Equipment › Recreational vehicle/trailer
Recall 18V712000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Carado been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Carado dealer can also check your VIN. Recall repairs are free.