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2008 Monaco Coach Diplomat

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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2Owner complaints

Model-year median: 2

2Recall campaigns

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0Investigations

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Electrical System
1Equipment
1Structure
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Equipment. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Electrical System complaints

1 reports
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Mileage unknown · Feb 28, 2012
Electrical System

I HAVE A 2008 MONACO DIPLOMAT MOTORHOME WHICH HAS A ITS-50R TRANSFER SWITCH MANUFACTURED BY IOTA ENGINEERING, TUCSON, AZ. TWO RV MANUFACTURES, NAVISTAR AND KEYSTONE, HAVE DONE VOLUNTARY RECALLS UNDER CAMPAIGN NUMBERS 12V060000 AND 11V577000. MY UNIT IS NOT ON THE RECALL BECAUSE NAVISTAR PURCHASED MONACO CORPORATION UNDER CHAPTER…

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I HAVE A 2008 MONACO DIPLOMAT MOTORHOME WHICH HAS A ITS-50R TRANSFER SWITCH MANUFACTURED BY IOTA ENGINEERING, TUCSON, AZ. TWO RV MANUFACTURES, NAVISTAR AND KEYSTONE, HAVE DONE VOLUNTARY RECALLS UNDER CAMPAIGN NUMBERS 12V060000 AND 11V577000. MY UNIT IS NOT ON THE RECALL BECAUSE NAVISTAR PURCHASED MONACO CORPORATION UNDER CHAPTER 7 AND ASSUMED NO LIABILITY FOR MOTORHOMES BUILD UNDER THE MONACO CORPORATION NAME. THE NHTSA NEEDS TO START AN INVESTIGATION ON THIS TRANSFER SWITCH. IT HAS BEEN REPORTED BY NUMEROUS TRAILER TRAILER, FIFTH WHEEL, AND MOTORHOMES OWNERS THAT THESE UNITS HAVE GOTTEN HOT TO THE POINT OF BURNING WIRES AND CAUSING FIRES. ACCORDING TO SOURCES SOME OF THE INTERNAL PARTS OF SOME UNITS MAY HAVE BEEN MADE FROM INFERIOR MATERIALS WHICH OVER TIME DEGRADE AND INCREASE RISK OF OVER HEAT. *TR

NHTSA ODI #10449599

Official recalls

2

10V284000 · Service Brakes, Hydraulic:pedals And Linkages

Jun 25, 2010

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 ADJUSTABLE BRAKE PEDAL ASSEMBLIES SUPPLIED BY KPPS. THE DRIVE PIN WHICH SECURES THE BRAKE PEDAL ARM TO THE BALANCE OF THE ASSEMBLY MAY BECOME DISENGAGED, THIS MAY CAUSE A REDUCTION IN VEHICLE BRAKING AND/OR CAUSE THE BRAKE PEDAL TO MOVE OUT OF POSITION AND INTERFERE WITH THROTTLE PEDAL FUNCTION.

Consequence & remedy

Consequence: A REDUCTION IN BRAKING OR INTERFERENCE WITH THE THROTTLE PEDAL COULD RESULT IN A CRASH.

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.

07V404000 · Equipment:recreational Vehicle/trailer

Sep 6, 2007

ON CERTAIN MOTOR HOMES EQUIPPED WITH ATWOOD SEALED BURNER RANGES, THE RANGE AND SLIDE-IN BURNER TUBES LEADING FROM THE GAS MANIFOLD TO THE BURNER HEADS HAD A DEPRESSION OR 'KINK' IN THE EXTERIOR BEND RESTRICTING PROPER AIRFLOW AND GAS MIXTURE.

Consequence & remedy

Consequence: THIS CONDITION COULD RESULT IN CARBON MONOXIDE POISONING.

Remedy: MONACO IS WORKING WITH ATWOOD TO HAVE THE TUBES REPLACED ON THESE RANGES. THE RECALL BEGAN ON DECEMBER 14, 2007. OWNERS MAY CONTACT ATWOOD AT 1-800-348-7418 OR MONACO AT 1-800-685-6545.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.