2010 Monaco Coach Diplomat
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.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1998 | 1 |
| 1999 | 10 |
| 2000 | 14 |
| 2001 | 6 |
| 2002 | 2 |
| 2004 | 4 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
KNOWN PROBLEM AREAS
Only 1 complaint on file for this model year -- too few to rank by share. Raw counts only, below.
1 of 1 total report mentions: electrical system.
FIREShow complaint excerpts
MY MOTOR HOME CAME EQUIPPED WITH THE IOTA ITS-50R TRANSFER SWITCH. IN JULY 2010 IT CAUSED A FIRE IN THE COACH WHICH WAS EXTINGUISHED BY ME AND A NEW TRANSFER SWITCH OF THE SAME MANUFACTURER WAS INSTALLED ON 29 JULY 2010.
NHTSA ODI report, 20151205
SAFETY TIMELINE
NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2008-2009 BEAVER CONTESSA, MODEL YEAR 2009 BEAVER MARQUIS, PATRIOT, MONTEREY, MODEL YEAR 2009-2010 HOLIDAY RAMBLER AMBASSADOR, MODEL YEAR 2010-2011 HOLIDAY RAM
Remedy: NAVISTAR IS WORKING WITH KONGSBERG PLEASE SEE KONGSBERG DEFECT REPORT 09E-064. NAVISTAR WILL RECEIVE KITS AND WILL INSPECT AND INSTALL A C-CLAMP ON THE ADJUSTABLE BRAKE PEDAL. THIS SERVICE WILL BE P
Campaign 10V014000 — check if this car was fixed
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
NAVISTAR IS RECALLING CERTAIN VEHICLES EQUIPPED WITH DIMPLEX ELECTRAFLAME, SYMPHONY, OR OPTIFLAME BRANDED ELECTRIC FIREPLACES, STOVES, AND FIREPLACE INSERTS. THE PLUG IN REMOTE CONTROL RECEIVER FOR T
Remedy: NAVISTAR IS WORKING WITH DIMPLEX AND DIMPLEX WILL PROVIDE OWNERS A FREE REPLACEMENT PLUG-IN REMOTE CONTROL KIT. THE SAFETY RECALL BEGAN DURING OCTOBER 2011. OWNERS MAY CONTACT DIMPLEX NORTH AMERICA
Campaign 10V455000 — check if this car was fixed
NAVISTAR IS RECALLING CERTAIN RECREATIONAL VEHICLES EQUIPPED WITH 1200-SERIES NORCOLD REFRIGERATORS. THE POPULATION OF REFRIGERATORS BEING ADDRESSED CONTAINS EITHER A SENSING ALGORITHM OR THERMAL SWI
Remedy: NAVISTAR IS WORKING WITH NORCOLD TO IDENTIFY AND NOTIFY ANY AFFECTED OWNERS. OWNERS WILL BE INSTRUCTED TO CONTACT NORCOLD DEALERS TO RECEIVE THE REMEDY FREE OF CHARGE. PLEASE SEE NORCOLD'S DEFECT RE
Campaign 10V588000 — check if this car was fixed
NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2008-2010 BEAVER AND CERTAIN MODEL YEAR 2009-2011 MONACO, AND CERTAIN MODEL YEAR 2009-2011 HOLIDAY RAMBLER RECREATIONAL VEHICLES, MANUFACTURED FROM OCTOBER 25,
Remedy: NAVISTAR WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE IOTA ITS-50R TRANSFER SWITCH FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 15, 2012. OWNERS MAY CONTACT NAVISTAR AT 1-800-448-7825.
Campaign 12V060000 — check if this car was fixed
BUY-SMART CHECKLIST
2010 Monaco Coach Diplomat — pre-purchase inspection
- Test/inspect for electrical system issues (1 reports on file for this year).
- Verify recall 10V014000 (service brakes, hydraulic) has been completed.
- Verify recall 10V284000 (service brakes, hydraulic) has been completed.
- Verify recall 10V455000 (equipment) has been completed.
- Verify recall 10V588000 (equipment) has been completed.
- Verify recall 12V060000 (electrical system) has been completed.
FAQ
Is the 2010 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 2010 Monaco Coach Diplomat?
The most-reported component is electrical system, accounting for 100% of complaints on file.
How many recalls does the 2010 Monaco Coach Diplomat have?
5 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.