2006 Monaco Coach Diplomat Recalls, Complaints & Specs
3 safety recalls list the 2006 Monaco Coach Diplomat, and owners have filed 4 complaints with NHTSA. Check your own VIN below.
3 safety recalls for the 2006 Monaco Coach Diplomat
Most recent first. Recall repairs are free at any authorised dealer. Click a recall for the full defect, consequence and remedy text.
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Linkages (visibility)
Monaco is recalling 1,733 my 2006-2007 diplomat and holiday rambler endeavor motor homes equipped with wiper systems supplied by am equipment. The drive motor link becomes disengaged during operation from the wiper drive arm where it attaches to the drive arm causing the wiper system to fail.
Remedy: Monaco will replace the complete under-the-hood wiper system with a new model, reusing the wiper arm and blades. The recall began on march 11, 2008. Owners may contact monaco at 1-800-685-6545.
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Diesel (engine and engine cooling)
On certain motor homes built with cummins isl cm850 diesel engines, the connecting rod contains a machining defect in the wrist pin bushing of the rod that could cause a seizure of the piston pin.
Remedy: Monaco is working with cummins to recalibrate the engine control module and enhance the engine protection system enabling it to provide early detection of the failure mode and avoid more serious engine damage and…
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Switch (exterior lighting)
On certain motor homes, the headlight switch in the front electrical box/firewall can overload.
Remedy: Dealers will install a new wiring harness. The recall began on september 30, 2005. Owners may contact monaco at 1-800-685-6545.
4 owner complaints filed with NHTSA
Owners of the 2006 Monaco Coach Diplomat have filed 4 complaints with NHTSA. The average mileage at failure in those reports is 17,250 miles. Complaints peaked in 2007 with 2 filed that year.
Most-reported components
What owners are reporting
“Motor home by monaco broken frame trailing arms. *tr”
Owner complaint to NHTSA, December 11, 2009 · Structure
“Owner of a 2006 40' monaco diplomat rv motorhome delivered with a 400hp diesel engine, manufactured by cummins inc. Received a recall notice re a possible engine failure; he is requesting help in orde”
Owner complaint to NHTSA, May 12, 2008 · Engine and engine cooling
Compare Monaco Coach Diplomat model years
Recall and complaint counts for every Monaco Coach Diplomat model year in NHTSA's database.
Checking a specific 2006 Monaco Coach Diplomat
How do I know if my 2006 Monaco Coach Diplomat has an open recall?
Enter your 17-character VIN above. The VIN is on the driver's side dashboard (visible through the windshield), the driver's door jamb sticker, and your registration or insurance card. The check runs against NHTSA's live database and tells you which campaigns list your vehicle. 3 campaigns currently list the 2006 Monaco Coach Diplomat; your car may already have been repaired under some of them.
Is the recall repair free?
Yes. Under federal law, manufacturers must fix safety recalls at no charge for vehicles up to 15 years old from the date of sale to the first owner. Contact any authorised Monaco Coach dealer with your VIN and the NHTSA campaign number (for example 05V366000).
What is the difference between a recall and a complaint?
A recall is a safety campaign filed by the manufacturer or ordered by NHTSA, with a defined defect and remedy. A complaint is a report an owner sent to NHTSA; it is not verified, but patterns of complaints are what trigger NHTSA investigations and, eventually, recalls.
Other Monaco Coach models
- Knight54 complaints
- Cayman40 complaints
- Monaco33 complaints
- Lapalma30 complaints
- Dynasty25 complaints
- Windsor21 complaints
- Signature13 complaints
- Camelot7 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.