Problems · by component

2005 Chevrolet Trailblazer Ext equipment problems

42 owner complaints to NHTSA about the 2005 Chevrolet Trailblazer Ext cite equipment, 2% of all 1,703 complaints for this model year.

Complaints
42
2% of all complaints
Crashes
3
Reported by owners
Fires
0
Reported by owners
Injuries
1
Reported by owners
01 —Owner reports

What owners say about the equipment

Verbatim from NHTSA complaints, newest first
“THE HEATER LEVELS STARTED TO GO OUT. FIRST 5, THEN 1 UNTIL IT NO LONGER WORKED AT ALL. I GOT IT REPAIRED BUT THE 5TH LEVEL DOES NOT WORK ANY MORE. THE LEFT HALF OF THE RADIO/CD PLAYER NO LONGER LIGHTS UP. MY GAS GAUGE WOULD ONLY REGISTER A QUARTER TANK AND THEN WOULD EVENTUALLY DROPPED TO EMPTY. IT NO LONGER WORKS AT ALL. MOST RECENTLY MY SPEEDOMETER WILL OCCASIONALLY QUIT WORKING OR REGISTER THE WRONG SPEED. I HAVE TO SHUT THE CAR OFF AND RESTART UNTIL IT WORKS AGAIN. ALSO, MY TACHOMETER GOES WAY UP WHEN I BEGIN DRIVING AND THE CAR SEEMS TO REV WAY UP BEFORE IT CHANGES GEARS AND JERKS INTO GEAR. I QUESTIONED A MECHANIC ABOUT THIS, THINKING IT WAS THE TRANSMISSION, WHICH IT ISN'T. THERE DOESN'T SEEM TO BE ENOUGH POWER. I HAVE CONSTANTLY HAD ISSUES WITH THIS TRAILBLAZER EVERY SINCE I PURCHASED IT. I ALSO OWNED A BLAZER AT ONE TIME AND ALSO HAD A LOT OF TROUBLE WITH IT. I SHOULD HAVE KNOWN BETTER TO PURCHASE ANOTHER CHEVY, BUT NEVER AGAIN! *TR”
Owner complaint to NHTSAFiled May 2, 2014Electrical system, EquipmentODI 10586148
“I HAVE A 2005 CHEVY TRAILBLAZER EXT THAT HAS A FAULTY GAS GAUGE I CANNOT TELL HOW MUCH GAS I HAVE ITS EXTREMELY DANGEROUS WHEN YOU HAVE CHILDREN YOU NEED TO PICK UP DAILY AND DRIVE TO PRACTIVES NOT KNOWING HOW MUCH GAS YOU HAVE SO YOUR ALWAYS IN A PANIC TO PUT MORE. *TR”
Owner complaint to NHTSAFiled Dec 11, 2012Fuel system, gasoline, EquipmentODI 10488014
“TWO DAYS AFTER FILLING TANK, I STARTED HAVING PROBLEMS WITH THE GAS GAUGE. I HAD DRIVEN ABOUT 250 MILES, BUT THE GAUGE STILL READ 3/4 FULL. MY WIFE THEN TOOK THE TRUCK TO WORK THAT AFTERNOON, THINKING THERE WAS 3/4 TANK OF FUEL LEFT SHE DID NOT FILL UP FOR THE 80 MILE ROUND TRIP. HALF WAY HOME AT 3:00 AM SHE RUNS OUT OF GAS IN THE WORST SECTION OF PHOENIX YOU CAN IMAGINE. AS SHE WORKS IN AN INNER CITY HOSPITAL, SHE DRIVES THROUGH THIS SECTION OF THE CITY DAILY AND WE HAVE ALWAYS MADE SURE SHE HAS A RELIABLE VEHICLE FOR THE TRIP. FORTUNATELY A POLICE OFFICER STOPPED AND STAYED WITH HER UNTIL AAA SHOWED UP. I WOULD HATE TO THINK WHAT WOULD HAPPEN TO A WOMAN ALONE IN A DRUG INFESTED AREA OF THE CITY WHILE HER VEHICLE BREAKS DOWN FOR A FAULTY FUEL GAUGE. *TR”
Owner complaint to NHTSAFiled Oct 2, 2011Fuel system, gasoline, EquipmentODI 10428212
“I BOUGHT THIS VEHICLE IN DEC 2010 FOR MY BIRTHDAY, THEN STARTED SMELLING GAS SO TOOK IT BACK TO DEALER AND THEY REPLACED THE FLOATER IN GAS TANK AND IT WAS FINE FOR AWHILE, THEN ONE DAY I WENT AND FILLED UP THE TANK, GOT IN AND STARTED IT UP AND IT SAID EMPTY AND HAD THE LIGHT ON (WHEN I KNEW IT WAS FULL), SINCE THEN I HAVE HAD TO RELY ON THE MILES TO KNOW IF I STILL HAVE GAS, WHICH IS HARD TO DO IF YOU DON'T FILL IT UP ALL THE TIME. I AM AFRAID OF HAVING MY GRANDSONS WITH ME ONE DAY AND RUNNING OUT OF GAS BECAUSE IT DON'T WORK..PLEASE RECALL THIS IT IS VERY DANGEROUS TO NOT KNOW IF YOU HAVE ENOUGH GAS WHEN YOU HAVE TO GO SOMEWHERE. THIS SHOULD NOT HAVE HAPPENED SINCE IT WAS JUST FIXED A FEW MONTHS AGO. WILL THIS BE AN ONGOING PROBLEM? I GREW UP WITH CHEVY'S MY DAD USE TO SAY WE WERE CHEVY COUNTRY AND MY UNCLE'S VEHICLES WERE FOUND ON THE ROAD DEAD (FORD) I USE TO BELIEVE THAT CHEVY WAS BEST VEHICLE MADE, BUT THIS IS CHANGING MY MIND. *TT”
Owner complaint to NHTSAFiled Jul 16, 2011Fuel system, gasoline, EquipmentODI 10413167
“I BOUGHT THIS VEHICLE IN DEC 2010 FOR MY BIRTHDAY, THEN STARTED SMELLING GAS SO TOOK IT BACK TO DEALER AND THEY REPLACED THE FLOATER IN GAS TANK AND IT WAS FINE FOR AWHILE, THEN ONE DAY I WENT AND FILLED UP THE TANK, GOT IN AND STARTED IT UP AND IT SAID EMPTY AND HAD THE LIGHT ON (WHEN I KNEW IT WAS FULL), SINCE THEN I HAVE HAD TO RELY ON THE MILES TO KNOW IF I STILL HAVE GAS, WHICH IS HARD TO DO IF YOU DON'T FILL IT UP ALL THE TIME. I AM AFRAID OF HAVING MY GRANDSONS WITH ME ONE DAY AND RUNNING OUT OF GAS BECAUSE IT DON'T WORK..PLEASE RECALL THIS IT IS VERY DANGEROUS TO NOT KNOW IF YOU HAVE ENOUGH GAS WHEN YOU HAVE TO GO SOMEWHERE. THIS SHOULD NOT HAVE HAPPENED SINCE IT WAS JUST FIXED A FEW MONTHS AGO. WILL THIS BE AN ONGOING PROBLEM? I GREW UP WITH CHEVY'S MY DAD USE TO SAY WE WERE CHEVY COUNTRY AND MY UNCLE'S VEHICLES WERE FOUND ON THE ROAD DEAD (FORD) I USE TO BELIEVE THAT CHEVY WAS BEST VEHICLE MADE, BUT THIS IS CHANGING MY MIND. *TT”
Owner complaint to NHTSAFiled Jul 16, 2011Fuel system, gasoline, EquipmentODI 10413168
“INSTRUMENT CLUSTER REPLACED 1 1/2 YEARS AGO BECAUSE OF FAULTY INSTRUMENT AND SPEEDOMETER READINGS. JANUARY OF 2011 GAS GAUGE MALFUNCTIONING READS EMPTY WHEN TANK HAS BEEN FILLED, AND CONTINUES TO MISREAD LEVELS AT ALL TIMES. *TR”
Owner complaint to NHTSAFiled May 2, 2011Fuel system, other, Equipment, Electrical systemODI 10398533

Showing 6 of 42 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.