MYRModel Year Report

2009 Monaco Coach Diplomat

○ Not enough data
2009 Monaco Coach Diplomat
RENDERED 2026-08-02T11:31:54.119Z

Only 1 complaint on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 1 complaint on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Monaco Coach Diplomat Bar chart of distinct NHTSA complaints filed per model year, 2009 highlighted. 1998: 1 complaints 1998 1999: 10 complaints 2000: 14 complaints 2000 2001: 6 complaints 2002: 2 complaints 2002 2004: 4 complaints 2005: 1 complaints 2005 2006: 4 complaints 2007: 1 complaints 2007 2008: 2 complaints 2009: 1 complaints 2009 2010: 1 complaints 2011: 1 complaints 2011
2009: 1 complaints
View as data table
YearComplaints
19981
199910
200014
20016
20022
20044
20051
20064
20071
20082
20091
20101
20111

KNOWN PROBLEM AREAS

Only 1 complaint on file for this model year -- too few to rank by share. Raw counts only, below.

ELECTRICAL SYSTEM

1 of 1 total report mentions: electrical system.

FIRE
Show complaint excerpts

IOTA ITS 50R TRANSFER SWITCH OVERHEATED AND BURNED SOME ELECTRICAL WIRING. HAS NOT BEEN REPAIRED, SO EXTENT OF DAMAGE IS UNDETERMINED.

NHTSA ODI report, 20150515

SAFETY TIMELINE

R 20100716 — service brakes, hydraulic

KONGSBERG POWER PRODUCTS SYSTEMS I, INC., (KPPS) IS RECALLING ON BEHALF OF MONACO COACH CERTAIN MODEL YEAR 2008-2010 MOTOR HOMES MANUFACTURED AFTER APRIL 2007 AND EQUIPPED WITH PNEUMATIC AND HYDRAULIC

Remedy: KPPS WILL PROVIDE A CLAMP ASSEMBLY KIT ALONG WITH INSTALLATION INSTRUCTIONS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 16, 2010. OWNERS MAY CONTACT KPPS AT 1-877-485-6647.

Campaign 10V284000 — check if this car was fixed

BUY-SMART CHECKLIST

2009 Monaco Coach Diplomat — pre-purchase inspection

  • Test/inspect for electrical system issues (1 reports on file for this year).
  • Verify recall 10V284000 (service brakes, hydraulic) has been completed.
Inspected by ______________ Date ______________

FAQ

Is the 2009 Monaco Coach Diplomat reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2009 Monaco Coach Diplomat?

The most-reported component is electrical system, accounting for 100% of complaints on file.

How many recalls does the 2009 Monaco Coach Diplomat have?

1 recall on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.