2005 Monaco Coach Diplomat Problems, Complaints & Recalls
- Compared with other Diplomat years
- Not enough data 8th of 13 for complaints
- Safety recalls
- 2 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 1 complaint with NHTSA about the 2005 Monaco Coach Diplomat. That ranks 8th out of 13 Diplomat model years for complaints. The most reported problem area is electrical system (1 complaints, 100%), typically at around 33,000 miles. Complaints mention 1 fire. There are 2 safety recalls covering this model year.
- 1owner complaints
- 2safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2005 Monaco Coach Diplomat problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 1 | 100% | 33,000 | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
2005 Monaco Coach Diplomat recalls (2)
Tap a recall to see the problem, the risk and the fix.
Equipment:recreational vehicle/trailer:lpg systems:water heater
Problem: On certain motor homes, the water heater exhaust on the curve side wall under the back side of the kitchen slideout room box terminates under the slide box when in the extended position. This design could create a risk of migration of carbon monoxide into the interior of the motor home.
Risk: Exposure of the occupants to carbon monoxide could result in injury or death.
Fix: Dealers will replace the water heater with a 16 gallon atwood unit that has a different exhaust termination. The recall began march 25, 2005. Owners should contact monaco at 1-800-685-6545.
Engine and engine cooling:engine:diesel
Problem: On certain motorhomes equipped with cummins engines, oil can leak into the engine compartment from a crack in the cup plug.
Risk: Oil leakage on a hot engine can result in an engine compartment fire, possibly resulting in injuries.
Fix: Cummins is conducting the owner notification and remedy for this campaign. Cummins will install a steel cup plug boss cap to all affected engines. Owners should contact cummins customer assistance center at 1-800-343-7357 or monaco at 1-800-685-6545.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
Tl* the contact owns a 2005 monaco coach diplomat. While examing the vehicle, the contact noticed that the transfer switch had burned. The vehicle was taken to a local dealer, where the surge protector was replaced. The failure and current mileages were 33,000.
Other Monaco Coach Diplomat years
← 2004 Diplomat · 2006 Diplomat →
| Year | Complaints | Recalls |
|---|---|---|
| 2011 Diplomat | 1 | 4 |
| 2010 Diplomat | 1 | 5 |
| 2009 Diplomat | 1 | 1 |
| 2008 Diplomat | 2 | 2 |
| 2007 Diplomat | 1 | 3 |
| 2006 Diplomat | 4 | 3 |
| 2005 | 1 | 2 |
| 2004 Diplomat | 4 | 1 |
| 2002 Diplomat | 2 | 1 |
| 2001 Diplomat | 6 | 4 |
| 2000 Diplomat | 14 | 2 |
| 1999 Diplomat | 10 | 3 |
| 1998 Diplomat | 1 | 3 |
See all Monaco Coach Diplomat problems by year, every Monaco Coach model, or the VIN decoder.
Similar Monaco Coach models
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Frequently asked questions
What are the most common problems with the 2005 Monaco Coach Diplomat?
Owners most often report electrical system problems. The top one, electrical system, accounts for 1 complaint.
Was there a recall on the 2005 Monaco Coach Diplomat?
Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2005 Monaco Coach Diplomat a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Diplomat model years, the 2005 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.