2004 Bigdog Mastiff Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2004 Bigdog Mastiff, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical562.5%
- Exterior lighting225.0%
- Powertrain (other)112.5%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
I BOUGHT THIS BIKE FOR MY HUSBAND AT BLACK HILLS HARLEY DAVIDSON,RAPID CITY SD JAN 2015. WE HAD TO RIGHT AWAY GET NEW BATTERY,NEW IGNITION SWITCHES,WE WENT TO GO OUT FOR A RIDE LAST WEEK FINALLY AND ONCE AGAIN HEADLIGHT FAILURE, I HAVE FOUND A RECALL ON THIS ISSUE, HARLEY DAVIDSON WILL NOT REPAIR, BIG DOG WENT OUT OF BUSINESS I WAS TOLD THEY ARE STILL RESPONSIBLE FOR THIS RECALL FOR SEVEN YEARS? I DO NOT KNOW WHERE TO GO OR DO I NEED LEGAL REPRESENTATION? MY VIN NUMBER [XXX] NHTSA CAMPAIGN NUMBER:10V180000 INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
THE ELECTRICAL SYSTEM HAD INTERMITTENT PROBLEMS SINCE THE BIKE WAS NEW. HEADLIGHT WOULD FLICKER ON & OFF, REAR TAIL LIGHTS FLASHED ON & OFF. NOTHING WAS FOUND WHEN BIKE WAS TAKEN TO LOCAL DEALER FOR ROUTINE MAINTENANCE. EHC MODULE COMPLETELY FAILED NOW AND BIKE WILL NOT RUN. TOLD THE REPLACEMENT PART IS NOT YET AVAILABLE AND WHEN IT IS, IT WILL COST WELL OVER $1000.00 TO REPAIR AND BIG DOG REFUSES TO COVER IT AND SAID "SORRY, BIKE IS OUT OF WARRANTY". I HAVE NEVER BEEN CONTACTED ABOUT A RECALL. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
I BOUGHT THIS BIKE FOR MY HUSBAND AT BLACK HILLS HARLEY DAVIDSON,RAPID CITY SD JAN 2015. WE HAD TO RIGHT AWAY GET NEW BATTERY,NEW IGNITION SWITCHES,WE WENT TO GO OUT FOR A RIDE LAST WEEK FINALLY AND ONCE AGAIN HEADLIGHT FAILURE, I HAVE FOUND A RECALL ON THIS ISSUE, HARLEY DAVIDSON WILL NOT REPAIR, BIG DOG WENT OUT OF BUSINESS I WAS TOLD THEY ARE STILL RESPONSIBLE FOR THIS RECALL FOR SEVEN YEARS? I DO NOT KNOW WHERE TO GO OR DO I NEED LEGAL REPRESENTATION? MY VIN NUMBER [XXX] NHTSA CAMPAIGN NUMBER:10V180000 INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
THE ELECTRICAL SYSTEM HAD INTERMITTENT PROBLEMS SINCE THE BIKE WAS NEW. HEADLIGHT WOULD FLICKER ON & OFF, REAR TAIL LIGHTS FLASHED ON & OFF. NOTHING WAS FOUND WHEN BIKE WAS TAKEN TO LOCAL DEALER FOR ROUTINE MAINTENANCE. EHC MODULE COMPLETELY FAILED NOW AND BIKE WILL NOT RUN. TOLD THE REPLACEMENT PART IS NOT YET AVAILABLE AND WHEN IT IS, IT WILL COST WELL OVER $1000.00 TO REPAIR AND BIG DOG REFUSES TO COVER IT AND SAID "SORRY, BIKE IS OUT OF WARRANTY". I HAVE NEVER BEEN CONTACTED ABOUT A RECALL. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
SQUEALING NOISE COMING FROM PRIMARY GETS LOUDER AS IT REACHES NORMAL OPERATING TEMPERATURE. DEALER SAYS THEY DON'T KNOW WHAT IS WRONG. AFTER MANUFACTURER HAD THE BIKE FOR 3 WEEKS, THEY SAID "WE GAVE IT OUR BEST SHOT WITH OUR BEST TECH, HAVE YOUR ATTORNEY CALL US". ONE OF NUMEROUS PROBLEMS NOT FIXED. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .