2001 Monaco Coach Diplomat
Only 6 complaints 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 6 complaints 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 6 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
2 of 6 total reports mention: equipment.
Show complaint excerpts
THERE IS A CONSTANT PROPANE SMELL INSIDE VEHICLE. VEHICLE HAS BEEN TAKEN TO DEALER 5 TIMES, WATER HEATER BURNER AND RELAY WERE REPLACED. BUT CONSUMER CAN STILL SMELL THE PROPANE.*AK
NHTSA ODI report, 20020612
1 of 6 total reports mentions: visibility.
1 of 6 total reports mentions: tires.
CRASH DEATHShow complaint excerpts
DT*: THE CONTACT STATED WHILE THE DRIVER OF THE COACH WAS DRIVING AT 45 MPH THE RIGHT REAR OUTER TIRE BLEW OUT, IMMEDIATELY AFTERWARDS THE LEFT REAR TIRE BLEW. THIS CAUSED THE DRIVER TO LOSE CONTROL OF THE COACH.
NHTSA ODI report, 20060530
1 of 6 total reports mentions: suspension.
1 of 6 total reports mentions: suspension.
Show complaint excerpts
VEHICLE EXHIBITS CONSIDERABLE SWAY AND WANDERING WHILE IN MOTION, STEERING GEAR RATED UP TO 9000 LB FRONT AXLE, ACTUAL AXLE WEIGHT 10460, INSTALLED 12,800 LBS. *YD
NHTSA ODI report, 20020514
SAFETY TIMELINE
VEHICLE DESCRIPTION: CLASS A MOTOR HOMES PRODUCED ON ROADMASTER CHASSIS. A 12VDC 50 AMP MINI-BREAKER ON THE REFRIGERATOR SUPPLY WIRE RATHER THAN A 12 VDC 30 AMP BREAKER.
Remedy: DEALERS WILL REPLACE THE 12VDC 50 AMP BREAKER WITH A 12VDC 30 AMP BREAKER.
Campaign 00V297000 — check if this car was fixed
MONACO IS RECALLING CERTAIN MOTOR HOMES EQUIPPED WITH NORCOLD REFRIGERATORS. A FATIGUE FAILURE IN THE SECTION OF THE COOLING UNIT WHICH CONTAINS THE REFRIGERANT COULD ALLOW THE LIQUID SOLUTION TO SLO
Remedy: MONACO IS WORKING WITH NORCOLD TO REPAIR THESE REFRIGERATORS. NORCOLD WILL PROVIDE THERMAL SWITCH KITS TO OWNERS ALONG WITH THE NECESSARY FORMS AND INSTRUCTIONS. THE RECALL BEGAN ON AUGUST 29, 2008.
Campaign 08V257000 — check if this car was fixed
VEHICLE DESCRIPTION: CLASS A MOTOR HOMES EQUIPPED WITH SAFETY BELT ASSEMBLIES BUILT BY AM-SAFE. ON SOME SEAT BELTS, THE BUCKLE AND CONNECTOR MAY UNLATCH DURING A COLLISION.
Remedy: DEALERS WILL INSPECT THE LAP BELTS AND, IF NECESSARY, REPLACE IT WITH A NEW BELT ASSEMBLY. AM-SAFE IS CONDUCTING THE OWNER NOTIFICATION.
Campaign 01V128005 — check if this car was fixed
ON CLASS A MOTOR HOMES BUILT WITH A STEERABLE AUXILIARY AXLE AND EQUIPPED WITH CERTAIN MERITOR-WABCO BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES, THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE BRAKE APPLICATION IS RELEASED.
Remedy: DEALERS WILL REPLACE THESE VALVES. MERITOR WABCO IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN.
Campaign 02V013001 — check if this car was fixed
BUY-SMART CHECKLIST
2001 Monaco Coach Diplomat — pre-purchase inspection
- Test/inspect for equipment issues (2 reports on file for this year).
- Test/inspect for visibility issues (1 reports on file for this year).
- Test/inspect for tires issues (1 reports on file for this year).
- Verify recall 01V128005 (seat belts) has been completed.
- Verify recall 02V013001 (service brakes, air) has been completed.
- Verify recall 00V297000 (equipment) has been completed.
- Verify recall 08V257000 (equipment) has been completed.
FAQ
Is the 2001 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 2001 Monaco Coach Diplomat?
The most-reported component is equipment:recreational vehicle/trailer:lpg systems:water heater, accounting for 33% of complaints on file.
How many recalls does the 2001 Monaco Coach Diplomat have?
4 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.