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Thor Motor Coach BIM (Battery Isolation Manager)/BIR (Battery Isolation Relay) is not watertight when exposed to engine compartment heat.

NHTSA campaign 20V-711 · Reported November 17, 2020 · 1,074 vehicles affected

AFFECTED MODELS
Thor Motor Coach
VEHICLES AFFECTED
1,074
REMEDY
TMC will notify owners, and dealers will replace the BIM/BIR with a Trombetta solenoid, free of charge.
COST
Free

The short version

Thor Motor Coach reported a problem with the electrical system. Here is what owners need to know.

WHAT

The BIM (Battery Isolation Manager)/BIR (Battery Isolation Relay) is not watertight when exposed to engine compartment heat.

WHY IT MATTERS

Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.

WHAT TO DO

TMC will notify owners, and dealers will replace the BIM/BIR with a Trombetta solenoid, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 20V-711.

YEAR RANGEMODEL
—See NHTSA record 20V-711

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with Thor Motor Coach or the National Highway Traffic Safety Administration.