NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
42 reportsClear category filter100,000 miles · Nov 30, 2010
Electrical System
TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500HD 6.0. THE CONTACT STATED THAT HE NOTICED THAT THE SPEEDOMETER, FUEL GAUGE AND HEAT ODOMETER GAVE INACCURATE READINGS. THE VEHICLE WAS INSPECTED AT A LOCAL REPAIR SHOP WHERE THE CONTACT WAS INFORMED THAT THE INSTRUMENT CLUSTER NEEDED TO BE REPLACED. THE FAILURE MILEAGE WAS APPROXIMATELY…
Read full complaint
TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500HD 6.0. THE CONTACT STATED THAT HE NOTICED THAT THE SPEEDOMETER, FUEL GAUGE AND HEAT ODOMETER GAVE INACCURATE READINGS. THE VEHICLE WAS INSPECTED AT A LOCAL REPAIR SHOP WHERE THE CONTACT WAS INFORMED THAT THE INSTRUMENT CLUSTER NEEDED TO BE REPLACED. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10368346
80,000 miles · Nov 16, 2010
Electrical System
DETAILS: 2005 GMC SIERRA PICK UP TRUCK. THE SPEEDOMETER NEEDLE WILL NOT GO BACK TO 0 WHEN I AM STOPPED, WHICH CAUSES THE SPEEDOMETER TO READ WRONG MPH WHEN DRIVING. THE PROBLEM IS OCCURRING MORE AND MORE SINCE IT FIRST BEGAN. IT STARTED FOR NO APPARENT REASON APPROXIMATELY 6 - 7 MONTHS AGO. DEALER WAS VERY AWARE OF THIS PROBLEM,…
Read full complaint
DETAILS: 2005 GMC SIERRA PICK UP TRUCK. THE SPEEDOMETER NEEDLE WILL NOT GO BACK TO 0 WHEN I AM STOPPED, WHICH CAUSES THE SPEEDOMETER TO READ WRONG MPH WHEN DRIVING. THE PROBLEM IS OCCURRING MORE AND MORE SINCE IT FIRST BEGAN. IT STARTED FOR NO APPARENT REASON APPROXIMATELY 6 - 7 MONTHS AGO. DEALER WAS VERY AWARE OF THIS PROBLEM, BUT I AM PAST ANY WARRANTIES OUT THERE. APPROXIMATE COST TO ME TO FIX FROM THE DEALER IS $500. I CANT AFFORD THIS. HOWEVER, BASED UPON NUMBER OF POSTINGS ON THE INTERNET, IT LOOKS TO ME LIKE A RECALL IS IN ORDER. *TR
NHTSA ODI #10366430
20,615 miles · Jul 13, 2010
Electrical SystemEngine And Engine Cooling
2005 GMC 2500HD PICKUP TRUCK, HVAC BLOWER SPEED CONTROLLER/RELAY CONNECTOR GOT HOT, BURNED OUT CONNECTOR AND WIRE, LOTS OF SMOKE. IT HAPPENED WHEN TURN FAN TO HIGH. THE FAILURE WAS DUE TO CONTACT RESISTANCE AT THE CONNECTOR. THE WIRE HARNESS END IS TINTED COPPER, THE RELAY/CONTROLLER CONNECTOR IS BARE METAL. DUE TO GALVANIZATION…
Read full complaint
2005 GMC 2500HD PICKUP TRUCK, HVAC BLOWER SPEED CONTROLLER/RELAY CONNECTOR GOT HOT, BURNED OUT CONNECTOR AND WIRE, LOTS OF SMOKE. IT HAPPENED WHEN TURN FAN TO HIGH. THE FAILURE WAS DUE TO CONTACT RESISTANCE AT THE CONNECTOR. THE WIRE HARNESS END IS TINTED COPPER, THE RELAY/CONTROLLER CONNECTOR IS BARE METAL. DUE TO GALVANIZATION OF DIFFERENT METAL IN THE CONNECTION SYSTEM, THE CONNECTOR IS UNDERSIZE FOR THE BLACK WIRE, WHICH IS THE RETURN CURRENT BECAUSE THE BLOWER ASSEMBLY IS PLASTIC. THE RESISTANCE BETWEEN THE CONTACT POINT OF THE CONNECTOR ACT AS HEATER AND GOT HOT, BURN OUT CONNECTION AND CONNECTOR HOUSING. THE SPEED CONTROL UNIT, WHICH COMPOSED OF FEW POWER RESISTOR IS MOUNTED IN THE AIR STREAM THAT IT WILL COLLECT VAPOR WATER DUE TO CONDENSATION WHEN AC IS IN USED. THIS CAUSE CORROSION IN THE SPEED CONTROLLER/RELAY BOARD. THE WORK AROUND IS BYPASS THE CONNECTOR BY SHORTING THE BLACK WIRE FROM THE BLOWER MOTOR TO THE BLACK INPUT WIRE THAT BURNED OUT. CUT THE INPUT BLACK WIRE, WIRE NUT IT TOGETHER WITH A 12 AWG JUMPER WIRE, CUT THE BLACK WIRE AT THE BLOWER MOTOR, WIRE NUT IT TO THE OTHER END OF THE JUMPER WIRE. AFTER THE JUMPER PUT IN, BLOWER FAN WORKS IN ALL SPEED AND NO SMOKE FROM CONNECTOR AND WIRE. *TR
NHTSA ODI #10342860
80,000 miles · Apr 29, 2010
Electrical System
2005 GMC SIERRA PICK UP TRUCK. THE SPEEDOMETER NEEDLE WILL NOT GO BACK TO '0' WHEN I AM STOPPED, WHICH CAUSES THE SPEEDOMETER TO READ WRONG MPH WHEN DRIVING. THE PROBLEM IS OCCURRING MORE AND MORE SINCE IT FIRST BEGAN. IT STARTED FOR NO APPARENT REASON APPROXIMATELY 6 - 7 MONTHS AGO. DEALER WAS VERY AWARE OF THIS PROBLEM, BUT…
Read full complaint
2005 GMC SIERRA PICK UP TRUCK. THE SPEEDOMETER NEEDLE WILL NOT GO BACK TO '0' WHEN I AM STOPPED, WHICH CAUSES THE SPEEDOMETER TO READ WRONG MPH WHEN DRIVING. THE PROBLEM IS OCCURRING MORE AND MORE SINCE IT FIRST BEGAN. IT STARTED FOR NO APPARENT REASON APPROXIMATELY 6 - 7 MONTHS AGO. DEALER WAS VERY AWARE OF THIS PROBLEM, BUT I AM PAST ANY WARRANTIES OUT THERE. APPROXIMATE COST TO ME TO FIX FROM THE DEALER IS $500. I CAN'T AFFORD THIS. HOWEVER, BASED UPON NUMBER OF POSTINGS ON THE INTERNET, IT LOOKS TO ME LIKE A RECALL IS IN ORDER. *TR
NHTSA ODI #10328101
80,175 miles · Apr 23, 2010
Electrical System
SPEEDOMETER QUIT WORKING WHILE DRIVING. SHOWS 75 MILES AN HOUR WHILE STOPPED GOES UP TO 120 ON ACCELERATION. NO WAY TO KNOW ACTUAL SPEED. *TR
NHTSA ODI #10327230
71,000 miles · Mar 16, 2010
Electrical System
TL* THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD. THE CONTACT STATED HER SPEEDOMETER WAS INCORRECTLY READING 16.2 MPH AND THEN THE SPEEDOMETER BECAME COMPLETELY INOPERABLE. THE CONTACT STATED THAT THE SPEEDOMETER WAS CURRENTLY DISPLAYING A ERROR MESSAGE. AN AUTHORIZED DEALER WAS NOTIFIED OF THE FAILURES. THE ESTIMATED REPAIR CO…
Read full complaint
TL* THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD. THE CONTACT STATED HER SPEEDOMETER WAS INCORRECTLY READING 16.2 MPH AND THEN THE SPEEDOMETER BECAME COMPLETELY INOPERABLE. THE CONTACT STATED THAT THE SPEEDOMETER WAS CURRENTLY DISPLAYING A ERROR MESSAGE. AN AUTHORIZED DEALER WAS NOTIFIED OF THE FAILURES. THE ESTIMATED REPAIR COST WAS $1,000. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS 71,000
NHTSA ODI #10320111
40,250 miles · Feb 14, 2010
Electrical System
I OWN A 2005 GMC SIERRA 2500HD PICKUP. THE SPEEDOMETER ON THIS VEHICLE IS STARTING TO GO BAD AND WHEN I AM DRIVING DOWN THE HIGHWAY IT WILL GRADUALLY LOOSE INDICATED SPEED AND THEN EVENTUALLY GO TO ZERO. I AM AWARE THAT THERE IS CURRENTLY A RECALL OUT FOR THIS TYPE OF PROBLEM, BUT I HAD MY VEHICLE IN THE SHOP AND FOR SOME REAS…
Read full complaint
I OWN A 2005 GMC SIERRA 2500HD PICKUP. THE SPEEDOMETER ON THIS VEHICLE IS STARTING TO GO BAD AND WHEN I AM DRIVING DOWN THE HIGHWAY IT WILL GRADUALLY LOOSE INDICATED SPEED AND THEN EVENTUALLY GO TO ZERO. I AM AWARE THAT THERE IS CURRENTLY A RECALL OUT FOR THIS TYPE OF PROBLEM, BUT I HAD MY VEHICLE IN THE SHOP AND FOR SOME REASON MY VIN # DOES NOT FALL INTO THE RECALL LIST SO I HAVE NOT GOT IT REPAIRED AT THIS TIME. THE RECALL DOCUMENT THAT I FOUND IS #07187C: SPECIAL COVERAGE ADJUSTMENT - INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTION -(MAR 20, 09), MY QUESTION IS THAT DOES YOUR AGENCY UPDATE THIS LIST FREQUENTLY OR ONCE IT IS OUT THAT IS ALL THAT WILL BE COVERED? *TR
NHTSA ODI #10310404
86,000 miles · Feb 1, 2010
Electrical System
TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD. THE SPEEDOMETER DISPLAYED THE ACCURATE SPEED DRIVEN. THE MANUFACTURER STATED THAT THE WARRANTY FOR THE SPEEDOMETER IS COVERED UP TO 75000 MILES AND THE FAILURE OCCURRED AT 86000 MILES WHICH WAS THE CURRENT MILEAGE. THE CONTACT IS CONCERNED ABOUT THE SAFETY RISK INVOLVED.
NHTSA ODI #10303551
54,000 miles · Nov 11, 2009
Electrical System
SUDDEN PROBLEMS WITH SPEEDOMETER. SPEEDOMETER STARTS AT BETWEEN 35 AND 60 MPH AT A COMPLETE STOP THEN GOES UP FROM THERE WELL PAST 120MPH WHEN TRAVELING NO FASTER THEN 60MPH. ALSO DOES NOT MOVE SMOOTHLY BUT RATHER VERY JUMPY. THIS IS A VERY WELL MAINTAINED TRUCK WITH 54K MILES ON IT. *TR
NHTSA ODI #10291829
70,000 miles · Nov 10, 2009
Electrical System
TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD. WHILE APPROACHING A STOP SIGN AT LESS THAN 15 MPH, THE SPEEDOMETER READ 40 MILES OVER THE ACTUAL MILEAGE TRAVELED. THE MANUFACTURER INITIATED A SAFETY IMPROVEMENT CAMPAIGN TO CORRECT THE FAILURE ON THE INSTRUMENT PANEL BUT THE MILEAGE ON HIS VEHICLE WAS OUTSIDE OF THE MANUFACTURER'S…
Read full complaint
TL*THE CONTACT OWNS A 2005 GMC SIERRA 2500 HD. WHILE APPROACHING A STOP SIGN AT LESS THAN 15 MPH, THE SPEEDOMETER READ 40 MILES OVER THE ACTUAL MILEAGE TRAVELED. THE MANUFACTURER INITIATED A SAFETY IMPROVEMENT CAMPAIGN TO CORRECT THE FAILURE ON THE INSTRUMENT PANEL BUT THE MILEAGE ON HIS VEHICLE WAS OUTSIDE OF THE MANUFACTURER'S REQUIREMENTS. NO REPAIRS WERE MADE TO CORRECT THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS UNDER 70,000 AND THE CURRENT MILEAGE WAS UNDER 90,000. UPDATED 12/07/09 *BF UPDATED 12/09/09.*JB
NHTSA ODI #10291775