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2018 Chevrolet Impala Electrical Problems

8 owner-reported electrical complaints from NHTSA data

8
Complaints
Feb 2021Oct 2020
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (8)

criticalELECTRICAL SYSTEM,SERVICE BRAKES
Filed: Jul 2022

Your check engine light didn't illuminate when your battery was failing, which means you had no warning of the problem. Additionally, your brakes feel spongy and occasionally go all the way to the floor even though the pads and rotors are in good condition. This suggests an issue with the brake system's hydraulic components or brake fluid rather than wear on the friction surfaces.

NHTSA #: 11474404
highELECTRICAL SYSTEM,WHEELS
Filed: Sep 2023

Your tire pressure monitoring system isn't receiving signals from the sensors in your tires, so you won't get a warning if your tire pressure drops. This safety feature is designed to alert you to underinflated tires before they become a problem. The fix will likely involve diagnosing the receiver module (part of your keyless entry system) and either replacing it or the tire pressure sensors themselves.

Parts you may need:

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NHTSA #: 11544465
mediumELECTRICAL SYSTEM
Filed: Feb 2021

2018 CHEVROLET IMPALA. CONSUMER WRITES IN REGARDS TO ISSUES WITH DOOR LOCKS AND TIRES. *LD THE CONSUMER STATED THE VEHICLE WAS SOLD WITH 3 WORN TIRES AND A KEY WITH A DEAD BATTERY. THE CONSUMER WAS DRIVING THE VEHICLE ON A MOUNTAIN SIDE AND EXTREMELY HEAVY FOG, THE LIGHTS (INSIDE AND OUT) WENT OUT. THE DEALER WAS INFORMED OF THE FAILURE. THE CONSUMER COULD NOT REPLICATE THE PROBLEM, BUT WAS UNABLE TO START THE VEHICLE. THE DEALER WAS UNABLE TO REPAIR THE VEHICLE AND SUGGESTED TRADING IT IN. THE CONSUMER TRADED THE VEHICLE IN AFTER OWNING THE VEHICLE FOR ONLY 8 MONTHS. *JS

NHTSA #: 11394232
mediumELECTRICAL SYSTEM
Filed: Oct 2020

IF THE CAR HAS BEEN OPERATING FOR LONG PERIOD OF TIME AN HOUR OR MORE WHEN THE AUTO STOP KICKS ON THE WHOLE CAR TURNS OFF. USUALLY AT A STOP SIGN OR STOP LIGHT. IN THE MIDDLE OF TRAFFIC. I HAVE TO LET IT SIT OFF FOR A COUPLE MINUTES AND RESTART AND JERKS HARD INTO GEAR. . WAS TOLD IT'S THE BATTERY FUSE BLOCK AND ISN'T COVERED BY WARRANTY.

NHTSA #: 11363063
mediumELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES
Filed: Oct 2019

TIRES-TIRES KEEP LOSING AIR PRESSURE, THEY APPEARED NEW BUT WHEN TESTED PROBLEMS WAS FOUND, THEY WERE WORE TO THE OUTSIDE AS IF ALIMENT WAS NEEDED, NEW TIRES WAS PURCHASED ELECTRICAL/BATTERY-THERE IS A FREQUENT SHUT DOWN OF ELECTRICAL SYSTEM, WHILE DRIVING THE ENGINE LIGHT COME ON, FROM THE DRIVER INFORMATION CENTER (DIC) THE WAS 14.7, THE BATTERY WAS CHECKED TWICE WITHIN A PERIOD OF TWO DAYS FROM THE DEALERSHIP, THE FIRST DAY THE BATTERY WAS GOOD THEN ON THE SECOND DAY THEY SAID I HAD A BATTERY PROBLEMS, PURCHASED NEW BATTERY, NO WARNING TRIED TO CRANK BARELY TURNOVER, SOMETIMES THE DIC GOES BLANK AND IT TAKES A WHILE FOR IT TO DISPLAY AGAIN, THIS HAVE HAPPEN AT LEAST 3 TIMES BRAKES-WHEN BACKING UP THERE IS A FREQUENT LOUD MEDAL TO METAL SOUND, THIS HAVE HAPPENED AT LEAST 4 TIMES

NHTSA #: 11266617
mediumELECTRICAL SYSTEM,EXTERIOR LIGHTING,ENGINE
Filed: Sep 2019

I WENT TO THE STORE AND CAME OUT TO LEAVE. I ATTEMPTED TO START MY CAR AND THE RADIO CAME ON, LIGHTS IN THE CAR FLASHED A COUPLE OF TIMES AND THEN I TRIED AGAIN. THEN IT STARTED MAKING A CLICKING SOUND.

NHTSA #: 11258945
mediumELECTRICAL SYSTEM
Filed: Sep 2019

SIDE DETECTION DEVICE NOT WORKING. CAR WAS PURCHASED IN JUNE AT A REPUTABLE DEALER. THE DEALERSHIP IS NOT SAYING THERE IS A PROBLEM, BUT THE SENSOR IS CORRODED. THERE ARE A NUMBER OF OTHER CASES WITH THE SAME PROBLEM.

NHTSA #: 11258545
mediumELECTRICAL SYSTEM
Filed: Jun 2019

THIS WAS A HERTZ RENTAL CAR I PICKED UP AT THE ORLANDO, FL AIRPORT. JUNE 2, 2019. THERE WAS NO OPERATORS MANUAL IN THE CAR. IT WAS 10 PM AND I HAD TO DRIVE 90 MILES TO MY DESTINATION. ABOUT 30 MINUTES ON THE HIGHWAY TO CHECK OIL LIGHT CAME ON. I TRIED TO CLEAR THE NOTICE BY PRESSING SEVERAL BUTTONS ON THE DASH BOARD. THEN I THOUGHT I FOUND THE CORRECT BUTTON AND PRESSED IT. IT WAS THE CAR START AND OFF BUTTON. THE CAR IMMEDIATELY SHUT OFF INCLUDING ALL THE LIGHTS. O WAS GOING 65 MPH AND SUDDENLY THE ROAD WAS PITCH BLACK. THE ENGINE HAD TURNED OFF SO I COULD NOT HOLD MY SPEED. I SLOWLY PULLED OVER TO THE SIDE. (TURN SIGNALS WERE NOT WORKING AT THIS TIME). WHEN I COMPOSED MYSELF, I PUT THE CAR IN PARK AND RESTARTED IT. THANKFULLY THERE WERE NO OTHER CARS AROUND SINCE THE CAR WAS TOTALLY DARK AND WITHOUT POWER AT 65 MPH. I WAS VERY FORTUNATE. I AN BAFFLED THAT CHEVROLET WOULD NOT HAVE CAUGHT THIS FLAW BEFORE PUTTING THESE CARS ON THE ROAD.

NHTSA #: 11222108

Other 2018 Chevrolet Impala Issues