NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
331 reportsClear category filter86,000 miles · Jul 19, 2010
Electrical System
I HAVE A 2005 CHEVY IMPALA, THE SPEEDOMETER DOES NOT WORK. AT ABOUT 80,000 MILES IT WOULD SAY I WAS GOING 80 OR 120 MPH WHEN IT WAS ACTUALLY ABOUT 60MPH. NOW IT DOESN'T WORK AT ALL. I HAVE NO IDEA HOW FAST OR SLOW I AM GOING. THIS IS A SAFETY CONCERN FOR ME BEING DISABLED, AND I CAN'T AFFORD TO GET RID OF THE CAR RIGHT NOW. …
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I HAVE A 2005 CHEVY IMPALA, THE SPEEDOMETER DOES NOT WORK. AT ABOUT 80,000 MILES IT WOULD SAY I WAS GOING 80 OR 120 MPH WHEN IT WAS ACTUALLY ABOUT 60MPH. NOW IT DOESN'T WORK AT ALL. I HAVE NO IDEA HOW FAST OR SLOW I AM GOING. THIS IS A SAFETY CONCERN FOR ME BEING DISABLED, AND I CAN'T AFFORD TO GET RID OF THE CAR RIGHT NOW. THIS SHOULD BE A RE-CALL. *TR
NHTSA ODI #10343927
70,000 miles · Jun 8, 2010
Electrical System
SPEEDOMETER NO WORKING CONSISTENTLY. SHOWS I AM GOING 120 WHEN I AM GOING ABOUT 40. VERY SPORADIC. *TR
NHTSA ODI #10335239
58,923 miles · May 17, 2010
Electrical System
SPEEDOMETER AND FUEL GAUGE MALFUNCTION. SAME AS OTHER COMPLAINTS I'VE HEAR AND READ ABOUT. SPEEDOMETER AND FUEL GAUGE DO NOT WORK PROPERLY. A DRIVERS DISCUSSIONS BEHIND THE WHEEL CAN ONLY BE AS GOOD AS THE INFORMATION THAT IS DISPLAYED TO THE DRIVER. IF SPEED IS NOT A SAFETY ISSUE, WHAT IS? *TR
NHTSA ODI #10330881
41,000 miles · May 12, 2010
Electrical System
SPEEDOMETER, GAS GAUGE, TACHOMETER, STOPPED WORKING @ 41,000 MILES. TACH WORKS ONCE IN A GREAT WHILE. THIS IS VERY DANGEROUS AS YOU CAN'T TELL HOW FAST YOU ARE TRAVELING, AND YOU HAVE NO IDEA HOW MUCH GAS YOU HAVE UNTIL THE GAS WARNING INDICATOR COMES ON. THIS PROBLEM WAS NOT CORRECTED YET. *TR
NHTSA ODI #10330212
78,556 miles · May 10, 2010
Electrical System
MY CHEVY IMPALA GAUGE CLUSTER BEGAN TO WORK INAPPROPRIATELY IN JULY 2007. IT STARTED WITH THE SPEEDOMETER, I WAS DRIVING TO WORK AND THOUGHT THAT I WAS GOING 55MPH BUT WAS REALLY GOING 77MPH. I GOT A TICKET AND THREE DAYS LATER THE NEEDLE STOPPED WORKING. TWO MONTHS LATER THE TEMP NEEDLE AND FUEL NEEDLE STOPPED WORKING. I CO…
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MY CHEVY IMPALA GAUGE CLUSTER BEGAN TO WORK INAPPROPRIATELY IN JULY 2007. IT STARTED WITH THE SPEEDOMETER, I WAS DRIVING TO WORK AND THOUGHT THAT I WAS GOING 55MPH BUT WAS REALLY GOING 77MPH. I GOT A TICKET AND THREE DAYS LATER THE NEEDLE STOPPED WORKING. TWO MONTHS LATER THE TEMP NEEDLE AND FUEL NEEDLE STOPPED WORKING. I CONTINUED TO DRIVE THE CAR BECAUSE THE DEALERSHIP WHERE I PURCHASED THE CAR HAD CLOSED AND THERE WAS NOT A CHEVY DEALERSHIP IN THE AREA. IN APRIL, 2010, MY ENTIRE DASH STOPPED WORKING, INCLUDING THE MESSAGE CENTER. *TR
NHTSA ODI #10329699
52,000 miles · May 4, 2010
Electrical System
TL*THE CONTACT OWNS A 2005 CHEVROLET IMPALA. WHILE THE VEHICLE WAS PARKED, THE CONTACT STATED THAT SHE WAS UNABLE TO START THE VEHICLE. SHE WAITED THIRTY MINUTES AND THE VEHICLE STARTED. THE FAILURE OCCURRED INTERMITTENTLY AT FIRST BUT BECAME PROGRESSIVELY WORSE AND OCCURRED MORE OFTEN. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEA…
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TL*THE CONTACT OWNS A 2005 CHEVROLET IMPALA. WHILE THE VEHICLE WAS PARKED, THE CONTACT STATED THAT SHE WAS UNABLE TO START THE VEHICLE. SHE WAITED THIRTY MINUTES AND THE VEHICLE STARTED. THE FAILURE OCCURRED INTERMITTENTLY AT FIRST BUT BECAME PROGRESSIVELY WORSE AND OCCURRED MORE OFTEN. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE SHE WAS INFORMED THAT THE PASS LOCK SYSTEM WAS THE CAUSE OF FAILURE. SHE TOOK THE VEHICLE TO THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS APPROXIMATELY 52,000. THE CURRENT MILEAGE WAS APPROXIMATELY 54,000.
NHTSA ODI #10328831
103,117 miles · Apr 23, 2010
Electrical System
2005 CHEVORLET IMPALA: THE SPEEDOMETER GAINS/DROPS SPEED AT ANY GIVEN TIME WITHOUT WARNING CAUSING MISCALCULATION OF SPEED DURING TRAVEL. AT FIRST, THE SPEEDOMETER RETURNED TO THE ORIGINAL STATE, HOWEVER, AFTER RESETTING THE CRUISE CONTROL FUNCTION, THE UNIT FAILED TO REGISTER SPEED PROPERLY. IT HAS AFFECTED THE MAINTENANCE AN…
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2005 CHEVORLET IMPALA: THE SPEEDOMETER GAINS/DROPS SPEED AT ANY GIVEN TIME WITHOUT WARNING CAUSING MISCALCULATION OF SPEED DURING TRAVEL. AT FIRST, THE SPEEDOMETER RETURNED TO THE ORIGINAL STATE, HOWEVER, AFTER RESETTING THE CRUISE CONTROL FUNCTION, THE UNIT FAILED TO REGISTER SPEED PROPERLY. IT HAS AFFECTED THE MAINTENANCE AND PERFORMANCE OF THE VEHICLE. ULTIMATELY, THE RPM AND SPEEDOMETER GAUGES, CEASE TO WORK PROPERLY AND THE CAR TENDS TO SKIP BETWEEN AUTOMATIC GEAR SHIFTS. ALSO, I RECEIVED A TRAFFIC TICKET IN THE STATE OF NC DUE TO THE SPEEDOMETER MALFUNCTION. IN ORDER TO FIX THIS PROBLEM FOR MY VEHICLE, 2005 CHEVORLET IMPALA (MILEAGE: 103,117K), THE INSTRUMENT CLUSTER HAS TO BE UNINSTALLED FROM THE VEHICLE, REBUILT, AND REINSTALLED BACK INTO THE VEHICLE ACCORDING TO MY DEALER AND A LICENSED MECHANIC. THIS REPAIR ON AVERAGE RANGES $400-$800 (WWW.CARCOMPLAINTS.COM). ACCORDING TO RESEARCH, SPEEDOMETER FAILURE IS A COMMON BUT EXPENSIVE PROBLEM AMONG 2000-2006 CHEVORLET MODELS. *TR
NHTSA ODI #10327193
100,000 miles · Apr 10, 2010
Electrical System
WITH APPROXIMATELY 100,000 MILES ON 2005 IMPALA SPEEDOMETER STARTED TO FALSELY REPORT VEHICLE SPEED WHEN DRIVING FOR MORE THEN 3 HOURS. THIS HAS OCCURRED APPROXIMATELY 5 TIMES. STOPPING AND TURNING OFF THE VEHICLE WILL RESOLVE THE ISSUE. *TR
NHTSA ODI #10324819
89,000 miles · Apr 4, 2010
Electrical System
2005 CHEVROLET IMPALA SPEEDOMETER NOT WORKING PROPERLY. IT READS MUCH FASTER THAN YOU ARE ACTUALLY GOING, OFTEN TIMES 40MPH +. THE PROBLEM STARTED ON A LONG TRIP. CYCLING THE IGNITION WOULD BRING IT BACK TO ZERO, BUT THAT NO LONGER WORKS. THERE IS NOT ONE SINGLE EVENT THAT TRIGGERS THE PROBLEM. IT CAUSE THE DRIVER TO MAINTAIN…
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2005 CHEVROLET IMPALA SPEEDOMETER NOT WORKING PROPERLY. IT READS MUCH FASTER THAN YOU ARE ACTUALLY GOING, OFTEN TIMES 40MPH +. THE PROBLEM STARTED ON A LONG TRIP. CYCLING THE IGNITION WOULD BRING IT BACK TO ZERO, BUT THAT NO LONGER WORKS. THERE IS NOT ONE SINGLE EVENT THAT TRIGGERS THE PROBLEM. IT CAUSE THE DRIVER TO MAINTAIN SPEED EITHER WAY TOO SLOW FOR TRAFFIC OR WAY TOO FAST. CREATING UNSAFE CONDITIONS. PARTS ARE AVAILABLE, BUT THE PARTS AND LABOR WILL COST A MINIMUM OF $460.00. BUYING A USED PART IS NOT A VIABLE OPTION SINCE THE INSTRUMENT CLUSTER IS CODED TO THE CAR. A SIMPLE GOOGLE SEARCH PRODUCES MANY THOUSANDS OF COMPLAINTS ABOUT THIS PROBLEM, YET GM WILL NOT RUN A RECALL ON THIS. THEY RECALLED THE SILVERADO WITH THE SAME PROBLEM. *TR
NHTSA ODI #10323698
83,700 miles · Apr 3, 2010
Electrical System
I BOUGHT 2005 IMPALA SS WITH 83,000 MILES AND SOON AFTER MY SPEEDOMETER STARTED SHOWING THE WRONG SPEED. I THOUGHT I WAS GOING 55 WHEN I WAS PULLED OVER FOR DOING 77. NOW THE NEEDLE JUST HANGS STRAIGHT DOWN,SO I STARTED RELYING ON MY TACH TO GUESS MY SPEED. THEN ABOUT 1 MONTH LATER MY TACHOMETER STARTED MESSING UP AND NOW IT JUS…
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I BOUGHT 2005 IMPALA SS WITH 83,000 MILES AND SOON AFTER MY SPEEDOMETER STARTED SHOWING THE WRONG SPEED. I THOUGHT I WAS GOING 55 WHEN I WAS PULLED OVER FOR DOING 77. NOW THE NEEDLE JUST HANGS STRAIGHT DOWN,SO I STARTED RELYING ON MY TACH TO GUESS MY SPEED. THEN ABOUT 1 MONTH LATER MY TACHOMETER STARTED MESSING UP AND NOW IT JUST STAYS BETWEEN 1,500 AND 2,000 RPMS SO I HAVE NO IDEA HOW FAST OR SLOW I'M GOING. NOW MY GAS GAUGE HAS MESSED UP IT SHOWED I HAD 3/4 OF A TANK WHEN MY CAR QUIT, I THOUGHT IT WAS SOME MAJOR PROBLEM TILL MY FRIEND TALKED ME INTO PUTTING SOME GAS IN AND IT STARTED RIGHT UP. NOW I HAVE NO IDEA HOW FAST I'M GOING OR HOW MUCH GAS I HAVE. THIS DOESN'T SEEM RIGHT WITH ONLY 85,000 MILES ON MY CAR. I HAVE SEEN SEVERAL COMPLAINTS ON THE IMPALA INSTRUMENT CLUSTERS SO WHY DOESN'T CHEVROLET DO SOMETHING ABOUT IT? IS IT THE MONEY IT WOULD COST, OR THE MONEY THEY WOULD LOSE WITH ALL OF US HAVING TO REPLACE THEM WITH ANOTHER FAULTY CLUSTER? *TR
NHTSA ODI #10323609
Official recalls
1Jul 3, 2014
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on July 3, 2014, that they are recalling 5,877,718 model year 2000-2005 Chevrolet Impala and Monte Carlo, 1997-2003 Chevrolet Malibu, 2004-2005 Malibu Classic, 1999-2004 Oldsmobile Alero, 1998-2002 Oldsmobile Intrigue, 1999-2005 Pontiac Grand Am and 2004-2008 Pontiac Grand Prix vehicles. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
Consequence & remedy
Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 9, 2014. GM's number for this recall is 14350.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗