RoadVitals

2004 Mercury Grand Marquis Exterior lighting Problems

Owner-reported complaints naming the exterior lighting system, filed with NHTSA

Data refreshed

Exterior lighting reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
205
Latest Aug 29, 2025
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
59%
of 347 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
2
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
3

What this page shows

Reports naming headlights, tail lights, turn signals and other exterior lighting. Every record below is an owner-reported complaint about the 2004 Mercury Grand Marquis submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 205 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming exterior lighting

The 25 most recent of 205, in the owner's own words

Exterior lighting
Filed Aug 29, 2025

The contact owns a 2004 Mercury Grand Marquis. The contact received NHTSA Campaign Number: 15V861000 (Exterior Lighting). The contact stated that while driving at night, the headlights were flickering and became inoperable. Occasionally, the headlights operated as designed. There were no warning lights illuminated. The contact called the local dealer and was informed that the parts were not yet available. The vehicle was not diagnosed or repaired. The contact was an independent mechanic and used a module assembly repair kit to repair the vehicle, but the failure reoccurred. The manufacturer was contacted, but no additional assistance was provided. The failure mileage was approximately 116,000.

NHTSA ID
11683841
Incident
Jan 1, 2018
Mileage
116,000 mi
BrakesElectricalExterior lighting
Filed Jul 2, 2025

Auto lights stopped working. Tail lights will not come on

NHTSA ID
11670846
Incident
Jul 2, 2025
Exterior lighting
Filed Jun 26, 2024

The contact owns a 2004 Mercury Grand Marquis. The contact stated while driving at an undisclosed speed at night, he became aware that the headlights were not functioning properly. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to Customer Satisfaction Program: 14N01. The manufacturer was notified of the failure but referred the contact to the NHTSA Hotline for assistance. The failure mileage was unknown. The VIN was not available.

NHTSA ID
11596927
Incident
Jun 21, 2024
Exterior lighting
Filed Jun 22, 2024

The rear running lights are not working. No lights in rear of vehicle at night.

NHTSA ID
11595860
Incident
Jun 12, 2024
Exterior lighting
Filed Nov 15, 2023

My front headlights stopped working and I was driving in the dark.

NHTSA ID
11555178
Incident
Nov 14, 2023
Exterior lighting
Filed Nov 1, 2023

The contact owns a 2004 Mercury Grand Marquis. The contact stated while driving at an undisclosed speed, the exterior lighting became inoperable. The contact stated that the failure occurred at night which caused him to be on a dangerous dark road. The contact stated that due to the failure and his vision being impaired, the vehicle was driven into a ditch. The contact stated that he received several violation tickets from the local Police. The contact stated that a year ago the vehicle was serviced by the dealer under recall repair for the lighting control module. The contact stated that the failure had occurred twice after the recall repair was completed. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 212,000.

NHTSA ID
11553076
Incident
Jul 31, 2023
Mileage
212,000 mi
Exterior lighting
Filed Sep 1, 2023

The headlight repair has been made but now the tail and park lights work intermittently. Most of the time not working but occasionally they will come on in colder weather. I think the problem is still in the Lighting control module. First appearance was last summer and has gotten worse. No other symptoms. Hazard ,turn signals, and brake lights all still work properly. Just no tail or park lights.

NHTSA ID
11542089
Incident
Aug 13, 2022
Interior & seatsExterior lighting
Filed Apr 12, 2023

The contact's husband owns a 2004 Mercury Grand Marquis. The contact's husband had received notification of NHTSA Campaign Number: 15V861000 (Exterior Lighting). The vehicle was taken to a local dealer for the recall repair. The vehicle was repaired; however, the contact was made aware that only the light control module (LCM) module harness was replaced and not the light control module itself. The contact also stated that after the vehicle was returned, the driver's door latch was fractured, and the front passenger’s side headlight failed to illuminate intermittently. The contact made the dealer aware of the failure and was informed that the cost of the repair was her responsibility. The manufacturer was made aware of the failure. The approximate failure mileage was 117,000.

NHTSA ID
11516775
Incident
Feb 28, 2023
Mileage
117,000 mi
Exterior lighting
Filed Feb 10, 2022

Light Control Module replaced by Ford dealer but having issue with lights turning off again

NHTSA ID
11451425
Incident
Feb 1, 2022
Exterior lighting
Filed Dec 18, 2021

The lights keep coming off when I drive

NHTSA ID
11444230
Incident
Feb 21, 2021
Exterior lighting
Filed Mar 24, 2021

TL* THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE HEADLIGHTS WOULD INDEPENDENTLY BECOME INOPERABLE, WITHOUT WARNING. THE CONTACT STATED THAT THERE WAS NO WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO THE LOCAL DEALER. THE VEHICLE WAS NOT REPAIRED. UPON INVESTIGATION, THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 15V861000 (EXTERIOR LIGHTING) HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS INFORMED OF FAILURE AND CONFIRMED THAT THE VIN WAS NOT INCLUDED. THE FAILURE MILEAGE WAS APPROXIMATELY 150,000.

NHTSA ID
11404689
Incident
Mar 8, 2021
Mileage
150,000 mi
ElectricalExterior lighting
Filed Nov 23, 2020

SOMETIMES THE HEADLIGHTS FLICK ON AND OFF WHILE DRIVING. THEN WHEN THE CAR IS TURNED OFF, THERE IS A CLICKING NOISE IN THE DRIVER SIDE DASHBOARD THAT CONTINUES UNTIL IT DRAINS THE BATTERY. ALSO, SOMETIMES THE DOOR LOCKS CYCLE OPEN OR CLOSED WHETHER THE CAR IS DRIVING OR OFF. THIS HAS HAPPENED MULTIPLE TIMES AND CAUSED ME TO REPLACE THE BATTERY, AND STILL I HAVE TO JUMP THE CAR FROM TIME TO TIME. THIS HAS HAPPENED SEVERAL TIMES OVER THE PAST FEW YEARS, BUT ONLY NOW HAVE I FOUND THIS SITE TO REPORT IT TO.

NHTSA ID
11375984
Incident
Nov 20, 2020
Mileage
130,000 mi
Exterior lighting
Filed Aug 20, 2020

HEAD LIGHTS STARTED FLICKERING AND MOST OF TIME I HAD KICK AT THE LIGHTNING CONTROL MODULE TO MAKE IT WORK WHILE IN MOTION ON MAJOR HIGHWAY

NHTSA ID
11350440
Incident
Aug 17, 2020
Mileage
148,000 mi
Exterior lighting
Filed Feb 13, 2020

TL* THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE THE VEHICLE WAS BEING DRIVEN THE FRONT HEADLAMPS, REAR TAILLAMPS, TURN SIGNALS AND DASHBOARD LIGHTS BECAME INOPERABLE. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE DEALER VERA CHADDY (1240 BLOOMFIELD, FAIRFIELD NJ) AND THE MANUFACTURER WAS NOTIFIED OF THE FAILURE BUT NO ASSISTANCE WAS OFFERED. THE FAILURE MILEAGE WAS 147,000.

NHTSA ID
11308983
Incident
Feb 1, 2020
Mileage
147,000 mi
Exterior lighting
Filed Dec 13, 2019

AFTER RECEIVING RECALL REMINDER FROM FORD ABOUT SAFETY RECALL FOR HEADLIGHTS INOPERATIVE I MADE APPOINTMENT WITH DEALER PROVIDING VIN# TO DEALER TO GET LCM ORDERED TO REPLACE IT AND IT WAS MORE THAN $500, AND VIN SPECIFIC. ARRIVED AT APPOINTMENT AND SERVICE MANAGER NOTED FORD WOULD NOT REIMBURSE THEM TO REPLACE LCM, COULD DO A REWIRE CAR PER THEIR COMPUTER INSTRUCTIONS AND SOMETHING ABOUT DIAGNOSTIC FEES, AND I NEEDED TO CONTACT FORD CUSTOMER SUPPORT TO GET A NUMBER AUTHORIZING THE DEALER TO REPLACE THE LCM AS NOTED AS REMEDY IN NHTSA 15V861000. CALLED CUSTOMER SUPPORT AND HEARD AUTOMATED MESSAGE THRU AUTOMATED CALL SYSTEM RELATED TO THEIR #15S39 THAT THEY WOULD NOTIFY WHEN PARTS ARE AVAILABLE, THIS DIDN'T SEEM CONTACTED CUSTOMER SUPPORT ONLINE NOTING ISSUE AND THEY DID NOT PROVIDE # NEEDED FOR THAT DEALER AND SUGGESTED GOING TO ANOTHER DEALER.

NHTSA ID
11288937
Incident
Dec 13, 2019
Mileage
117,000 mi
Exterior lighting
Filed Jan 30, 2019

HEADLIGHTS GO OUT WHEN DRIVING. I CAN PULL BACK TO DO THE PASSING LIGHTS AND THEN COME ON WHILE I AM HOLDING IT. I CAN KICK THE LIGHTING CONTROL MODULE ABOVE THE GAS PEDAL AND SOMETIMES IT WILL COME ON WHILE I AM DRIVING. OTHER TIMES I HAVE TO PULLOVER PUT THE CAR IN PARK AND KICK TILL IT COMES BACK ON. THIS WILL HAPPEN SEVERAL TIMES

NHTSA ID
11173031
Incident
Nov 1, 2018
Mileage
154,000 mi
ElectricalExterior lighting
Filed Nov 14, 2018

LCM (LIGHTING CONTROL MODULE) RECALL FROM 2015. I BOUGHT THE CAR IN MARCH OF 2016 AND THE DEALER FAILED TO TAKE ADVANTAGE OF THE RECALL BEFORE I PURCHASED THE CAR.

NHTSA ID
11151564
Incident
Nov 10, 2018
Mileage
108,200 mi
Exterior lighting
Filed Oct 9, 2018

HEADLIGHTS STOP WORKING AT NIGHT AND WILL NOT COME BACK ON .ONLY HEADLIGHTS .ALL OTHER LIGHTS WORK FINE.

NHTSA ID
11139364
Incident
Oct 1, 2018
Mileage
85,000 mi
ElectricalExterior lighting
Filed Oct 3, 2018

2004 MERCURY GRAND MARQUIS. CONSUMER WRITES IN REGARDS TO REIMBURSEMENT FROM A RECALL NOTICE FROM FORD REGARDING A SAFETY ISSUE WITH THE LIGHTING CONTROL MODULE. *AS *TR

NHTSA ID
11131329
Incident
Apr 8, 2018
Exterior lighting
Filed Jun 11, 2018

TL* THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. WHILE DRIVING 35 MPH, THE HEADLIGHTS FAILED TO ILLUMINATE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER (CAROLINA FORD, 103 CHURCH ST, HONEA PATH, SC 29654, (888) 420-5939) AND THE CONTACT WAS INFORMED THAT THERE WERE NO RECALLS FOR THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 208,000.

NHTSA ID
11101082
Incident
Jun 1, 2018
Mileage
208,000 mi
Exterior lighting
Filed Apr 9, 2018

TL* THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V861000 (EXTERIOR LIGHTING); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. SARASOTA FORD (707 S WASHINGTON BLVD, SARASOTA, FL) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ID
11083967
Incident
Dec 22, 2015
ElectricalExterior lighting
Filed Mar 30, 2018

THE HEADLIGHTS WENT OUT ON MY CAR WHILE DRIVING HOME IN A SNOW STORM. WHEN I TOOK MY VECHILE TO PEPBOYS TO FIND OUT WHATS WRONG. THEY SAID IT WAS THE LIGHTING CONTROL MODULE THAT CAN ONLY BE REPAIRED AT FORD DEALERSHIP. THEY ALSO STATED IT WAS A RECALL ON THIS. WHEN I TOOK IT TO FORD THEY SAID THEIR WAS NO RECALL ON THE MODULE. I AM UNABLE TO DRIVE MY VECHILE, I CANT GET TO WORK. WHICH I AM IN JEOPARDY OF LOSING MY JOB. IF THIS IS ON RECALL WHY WONT FORD FIX MY CAR. IT PUT ME AND MY CHILDREN IN HARMS WAY OF ALMOST CRASHING TRYING TO MAKE IT HOME.

NHTSA ID
11082113
Incident
Mar 20, 2018
Mileage
99,976 mi
ElectricalExterior lighting
Filed Feb 27, 2018

TL* THE CONTACT OWNS A 2004 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THERE WAS A RECALL FOR THE LIGHTING CONTROL MODULE CONCERNING NHTSA CAMPAIGN NUMBER: 15V861000 (EXTERIOR LIGHTING). THE DEALER (AUTONATION FORD JACKSONVILLE, 10720 PHILIPS HWY, JACKSONVILLE, FL 32256, (904) 242-6499) WAS CONTACTED, BUT WAS UNABLE TO DETERMINE WHEN THE PART WOULD BE SUPPLIED FROM THE MANUFACTURER. THE CONTACT STATED THAT THE LOW BEAM HEADLIGHTS FAILED TO FUNCTION, WHICH CAUSED THE CONTACT TO APPLY THE HIGH BEAMS EACH TIME THE FAILURE OCCURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS NOT AVAILABLE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ID
11075283
Incident
Nov 1, 2017
Exterior lighting
Filed Feb 13, 2018

2004 GRAND MARQUIS. CONSUMER WRITES SEEKING REIMBURSEMENTS FOR VEHICLE REPAIRS RELATED TO A SAFETY RECALL. *LD CONSUMER SENT ADDITIONAL CORRESPONDENCE. *LD THE CONSUMER STATED THE MANUFACTURER CLAIMED THE REIMBURSEMENT HAD BEEN PROCESSED, BUT THE CONSUMER DID NOT RECEIVED THE PAYMENT. *JS

NHTSA ID
11065193
Incident
Dec 5, 2017
Exterior lighting
Filed Dec 13, 2017

MY VEHICLE WAS RECALLED, AND THE RECALL NOTICE STATES GO TO ANY FORD DEALER. I WENT TO PEGUES-HURST MOTOR COMPANY 200 SPUR 63, P. O.BOX 3686 LONGVIEW, TX 75606 (903) 758-6211. THEY DID THE REPAIR, BUT WHEN I PICKED UP MY VEHICLE THE AUTO LAMP NO LONGER WORKS. I REPORTED IT THE NEXT MORNING AND THE SERVICE ADVISOR, LUIS A CAVAZOS SAID THE TECHNICIAN TERRY L. BATES, TOLD HIM IT DID NOT WORK WHEN HE DROVE IT IN TO THE BAY. I TOLD HIM THAT WAS NOT TRUE AND THAT I KNOW THAT IT WORKED WHEN I DROPPED IT OFF BECAUSE I ALWAYS KEPT MY AUTO LAMPS ON AND IT WAS DARK WHEN I LEFT MY HOME TO DRIVE TO THEIR DEALERSHIP. I ARRIVED AT THEIR DEALERSHIP AT APPROXIMATELY 6:50 AM, DECEMBER 05, 2017 AND THEIR SERVICE DEPARTMENT DOES NOT OPEN UNTIL 7:00 AM. THEIR LIGHTS WERE STILL OUT AND I WAS THE SECOND VEHICLE THERE THAT MORNING. I TOLD THE SERVICE ADVISOR THAT THE MODULE KIT THEY PUT IN MUST BE DEFECTIVE OR HE HOOKED SOMETHING UP INCORRECTLY. IN ESSENCE THEY ARE CALLING ME A LIAR, CHEAT AND SCAM ARTIST. I SPOKE TO THE SERVICE MANAGER AND I GOT THE FEELING THEY WERE NOT TAKING RESPONSIBILITY SO I LOST TRUST IN THEM AND ASKED FOR THE GENERAL MANAGER OF THE DEALERSHIP WHO WAS NOT THERE AT 10:00 AM ON THURSDAY, DECEMBER 07, 2017. I ASKED THEM TO HAVE HIM CALL ME AND THEY SAID OKAY. LATER THAT DAY I WAS TOLD HE WAS ON VACATION UNTIL MONDAY, DECEMBER 11, 2017 AND AS OF TODAY, WEDNESDAY, DECEMBER 13, 2017 I HAVE NOT HEARD FROM THEM. I HAD MY PERSONAL MECHANIC CHECK AND HE BELIEVES IT IS THE MODULE THEY PUT IN THAT CAUSES MY AUTO LAMPS TO NO LONGER WORK. THE AMBER LAMPS STILL COME ON AND THE DASH BOARD STILL LIGHTS UP AND THE DOME LIGHTS STILL COME ON WHEN I UNLOCK THE CARE WITH MY REMOTE CONTROL. THIS COMPANY IS CALLING ME A LIAR, CHEAT AND A THIEF. I NEVER HAD A PROBLEM WITH THE CAR OR MY AUTO LAMPS. I AM NOT A THIEF OR CHEAT AS THEY HAVE IMPLIED.

NHTSA ID
11054623
Incident
Dec 5, 2017
Mileage
4 mi

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.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .