Component
EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT
583 NHTSA complaints about exterior lighting:turn signal:flasher unit issues across 33 makes and 155 models.
Data updated August 2026. Counts render from the NHTSA Office of Defects Investigation standardized component field; severity flags cross-reference NHTSA ODI complaint flags for owner-reported crash, fire, and injury markers. This page is for informational purposes and does not replace NHTSA recall notices or a vehicle-specific inspection. Methodology · Corrections.
NHTSA ODI component intake brief
ODI category EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT
583 filings · 155 models · 33 makes · vintage August 2026
- FILINGS MODERATE 583 ODI rows
- MODELS 155 nameplates citing this part
- MAKES 33 manufacturers in corpus
- CRASH 2.2% 13 crash-flagged
- RANK #194 of 696 categories
- SEV FATAL 20 deaths · 3 injuries
Filing-volume peers
EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT sits MODERATE on ODI intake volume (#194 of 696 standardized categories) with a FATAL severity stamp (20 reported fatalities across 155 models). Open Chevrolet Malibu (category leader) →
EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT model-concentration reading
The standout signal for exterior lighting:turn signal:flasher unit is model concentration: Chevrolet Malibu accounts for 60 filings (10.3% of this category) out of 583 total.
Moderate-volume categories still show a fingerprint in the model table below, cross-check each nameplate's recall and investigation history before inferring a defect pattern.
Next step: compare Chevrolet Malibu against SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT on filing totals before treating exterior lighting:turn signal:flasher unit volume as a purchase signal.
Most Affected Vehicles
| # | Vehicle | Complaints |
|---|---|---|
| 1 | Chevrolet Malibu | |
| 2 | Pontiac Grand AM | |
| 3 | Oldsmobile Alero | |
| 4 | Chevrolet Blazer | |
| 5 | Chevrolet Impala | |
| 6 | Volvo V70 | |
| 7 | Dodge Neon | |
| 8 | Pontiac Grand Prix | |
| 9 | Ford Explorer | |
| 10 | Chevrolet Monte Carlo | |
| 11 | Cadillac Deville | |
| 12 | Volkswagen Passat | |
| 13 | Volkswagen Jetta | |
| 14 | Toyota Camry | |
| 15 | KIA Sephia | |
| 16 | Hyundai Sonata | |
| 17 | Ford Ranger | |
| 18 | Ford F-150 | |
| 19 | Ford Contour | |
| 20 | Chevrolet Corvette | |
| 21 | Pontiac Sunfire | |
| 22 | Plymouth Neon | |
| 23 | Honda Accord | |
| 24 | Ford Expedition | |
| 25 | Chevrolet Corsica | |
| 26 | Chevrolet Cavalier | |
| 27 | Saturn ION | |
| 28 | Oldsmobile Intrigue | |
| 29 | GMC Envoy | |
| 30 | Ford Windstar |
Recent Complaints
The contact owns a 2005 Toyota Prius. The contact stated that while driving at an undisclosed speed, the left turn signal was activated, however, the left turn signal failed to function as intended.
The contact owns a 2025 Freightliner Cascadia. The contact stated that while driving at an undisclosed speed, the turn indicator on the instrument panel became inoperable. The contact stated that whil
When this device is used to replace the Flasher Module (my had failed so I ordered this replacement from Amazon) I found that the brake light circuit to any trailer connected tot he vehicle would no l
The contact's wife owns a 2023 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, the right turn signal light illuminated and blinked intermittently. The contact's wife
TL* THE CONTACT OWNS A 2016 HYUNDAI TUCSON. THE CONTACT STATED THAT THE REAR DRIVER SIDE TAIL LIGHT SIGNAL FAILED TO REMAIN ILLUMINATED WHILE COMPLETING A LEFT TURN. THE CONTACT HAD TO MANUALLY ADJUST
TL* THE CONTACT OWNS A 2012 SMART FORTWO. WHILE DRIVING VARIOUS SPEEDS, THE FRONT TURN SIGNAL INDICATORS FAILED TO ILLUMINATE. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO LOKEY MERC
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND AM. WHILE DRIVING APPROXIMATELY 30 TO 35 MPH AND TURNING RIGHT OR LEFT, THE TURN SIGNAL LIGHTS FAILED NUMEROUS TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRE
TL* THE CONTACT OWNS A 2009 CHEVROLET IMPALA. WHENEVER THE CONTACT ATTEMPTED TO OPEN THE DRIVER SIDE DOOR, THE METAL LATCH PINCHED HER FINGER. THE REAR PASSENGER REAR WINDOW SQUEALED WHENEVER THE CONT
TL* THE CONTACT OWNS A 2003 PONTIAC GRAND AM. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THERE WAS AN ABNORMAL NOISE COMING FROM THE STEERING COLUMN. THE CONTACT MENTIONED THAT WHEN THE
TL* THE CONTACT OWNS A 2012 CHRYSLER TOWN AND COUNTRY. THE CONTACT STATED THAT THE TURN SIGNAL INDICATORS ON THE SIDE MIRRORS FAILED. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE TECHNICIAN DIAGNOSED T
TL* THE CONTACT OWNS A 2002 CHEVROLET MALIBU. THE CONTACT STATED THAT THE TURN SIGNAL AND HAZARD SWITCH MALFUNCTIONED AND COULD NOT BE ACTIVATED. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS
TL* THE CONTACT OWNS A 2000 CHEVROLET CORVETTE. THE CONTACT STATED UNLESS THE TURN SIGNALS ARE BEING USED, IT IS IMPOSSIBLE FOR AN OPERATOR TO KNOW WHEN THEY ARE OPERABLE. THE INTERMITTENT FAILURE OF
2008 HYUNDAI SONATA. CONSUMER STATES DISCONTENT WITH DENIAL OF A ONLINE COUPON, UNRESOLVED THUMPING, VIBRATION THAT OCCURS WHEN THE VEHICLE IS STARTED. IN ADDITION THE TURN SIGNAL FLASHER/CLICKER IS
TL*THE CONTACT OWNS A 2004 HYUNDAI TIBURON. WHILE DRIVING 50 MPH, THE CONTACT ACTIVATED THE DRIVER'S SIDE TURN SIGNAL. THE LIGHT REMAINED SOLID AND DID NOT FLASH. WHEN THE CONTACT ARRIVED TO HIS DE
SIGNAL INDICATOR KEEPS CLICKING AFTER CANCELING SIGNAL. *TR
NO PRIOR EVENT. TURN SIGNAL FLASHER CEASED TO FUNCTION FULL TIME. IT HAS BEEN INTERMITTENT FOR SEVERAL DAYS. HAZARD LIGHTS NOR TURN SIGNALS BLINK. BULBS COME ON AND STAY ON. NO FLASHER. *TR
I WAS DRIVING MY TRAILBLAZER TO MINNEAPOLIS AND THE TURN SIGNALS WERE WORKING FINE, I STOP AND WHEN I STARTED DRIVING AGAIN I WENT TO USE MY LEFT TURN SIGNAL AND THE FLASHERS WENT ON INSTEAD. IT CONTI
THE TURN SIGNALS AND HAZARD LIGHTS NO LONGER BLINK WHEN TURNED ON. THE BULBS LIGHT UP BUT DO NOT BLINK ON AND OFF. *TR
MY LOWER INTAKE MANIFOLD IS LEAKING JUST AS IS POPULAR ON THESE TYPES OF ENGINES. ALSO MY TURN SIGNAL IS WORKING OFF AND ON. I HAVE SENT LETTERS TO GM WITH NO RESPONSE OR SUCCESS. *TR
I AM THE ORIGINAL OWNER OF A 1999 MERCURY COUGAR AUTOMATIC V6. I HAVE NEVER BEEN IN AN ACCIDENT WITH THE VEHICLE, BUT CONTINUE TO HAVE MECHANICAL PROBLEMS. LIKE OTHER 1999 ' 2000 MERCURY COUGAR OWNE
Related Vehicle Components
Verify with NHTSA · consumer-reported counts are not verified defect findings.