2005 SILVERADO 2500 HD SPEEDOMETER MALFUNCTION. SPEEDOMETER REGISTERS VERY HIGH SPEEDS (I.E. 80 MPH), OR NO SPEED AT ALL (I.E. 0 MPH) REGARDLESS OF WHAT SPEED IS ACTUALLY BEING DRIVEN. *TR
2005 Chevrolet Silverado 2500
Owner reports · Recalls · Investigations
More warning signs than most Silverado 2500 years
Owner complaints for the 2005 Chevrolet Silverado 2500 are substantially higher than the model-year median of 81.
About this comparison →How this year compares
Owner complaints by model year
Compare all Silverado 2500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
242 reports with mileage · 27 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 98 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 45 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Steering. Review the 29 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
98 reports2005 CHEVY 2500HD DIESEL - THE NUMBER 2 AND NUMBER 7 INJECTOR WIRE HARNESS IS NOT MOUNTED PROPERLY. IT RUBS THROUGH AND PUTS THE TRUCK INTO WHAT THEY CALL "LIMP MODE". IT ONLY ALLOWS THE MOTOR TO GOT UP TO 2000 RPM. THIS HAPPENED TO ME TWICE WITH MY CURRENT TRUCK. THE SECOND TIME I WAS RUNNING DOWN INTERSTATE I-80 @ 70MPH ON…
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2005 CHEVY 2500HD DIESEL - THE NUMBER 2 AND NUMBER 7 INJECTOR WIRE HARNESS IS NOT MOUNTED PROPERLY. IT RUBS THROUGH AND PUTS THE TRUCK INTO WHAT THEY CALL "LIMP MODE". IT ONLY ALLOWS THE MOTOR TO GOT UP TO 2000 RPM. THIS HAPPENED TO ME TWICE WITH MY CURRENT TRUCK. THE SECOND TIME I WAS RUNNING DOWN INTERSTATE I-80 @ 70MPH ON CRUISE CONTROL. IT AUTOMATICALLY BEGAN DOWNSHIFTING AND SLOWING DOWN. I WAS LUCKY A SEMI WASN'T BEARING DOWN ON ME. GO TO DIESEL PLACE OR ANY OTHER BLOG ON CHEVY DURMAX DIESELS AND DO A SEARCH FOR NO. 2 & 7 WIRE HARNESS FOR THE SECOND GENERATION DIESEL (2004.5-2005) - THEY MUST HAVE FIXED IT AFTER THAT. *TR
SPEEDOMETER FAILURE--SPEEDOMETER WOULD READ INCORRECTLY AND NOW HAS COMPLETELY FAILED. NOTHING TO DATE HAS BEEN DONE TO CORRECT THE PROBLEM. *TR
I HAVE HAD MY BLOWER FAN MOTOR REPLACED THE DEALER JUST REPLACED MY CIGARETTE LIGHTER WHEN THEY WERE REPLACING MY RECALLED SPEEDOMETER THEY SAID THE WIRES WERE MELTED TO CIG ASSEMBLY, DAYS LATER MY TRUCK BURNT TO THE GROUND. THE CAUSE WAS THE HEATER RESISTER AND FAN MOTOR STARTED THIS FIRE. I AM OUT A TRUCK THE DEALER SAYS THAT'…
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I HAVE HAD MY BLOWER FAN MOTOR REPLACED THE DEALER JUST REPLACED MY CIGARETTE LIGHTER WHEN THEY WERE REPLACING MY RECALLED SPEEDOMETER THEY SAID THE WIRES WERE MELTED TO CIG ASSEMBLY, DAYS LATER MY TRUCK BURNT TO THE GROUND. THE CAUSE WAS THE HEATER RESISTER AND FAN MOTOR STARTED THIS FIRE. I AM OUT A TRUCK THE DEALER SAYS THAT'S WHAT INSURANCE IS FOR. BIG DEAL I GET 75% OF MY TRUCK'S VALUE. THIS WAS A 2005 2500HD EXTENDED CAB TRUCK IN EXCELLENT CONDITION. WHY DO WE AS CUSTOMERS HAVE TO PUT UP WITH THESE DEFECTS AND TAKE THE LOSS. WE SUFFER. THE QUESTION IS HOW MANY FIRES HAVE BEEN ASSOCIATED WITH THIS YEAR TRUCK AND THE FACTORIES PROBLEMS. WHEN DO WE AS HIGH PAYING CUSTOMERS GET SOME HELP WITH OR STRUGGLE TO KEEP WHAT WE PAID FOR STILL WORKING WITH OUT BEING BURNT. TW*
TL*THE CONTACT OWNS A 2005 CHEVROLET SILVERADO 2500. WHILE DRIVING APPROXIMATELY 45 MPH THE CONTACT NOTICED THAT THE SPEEDOMETER DISPLAYED AN INACCURATE READING REGARDLESS OF THE SPEED RATE BEING DRIVEN. THE VEHICLE HAS NOT BEEN REPAIRED FOR THE MALFUNCTION AT THIS TIME. THE CONTACT HAD CONCERNS OF THE SAFETY RISK INVOLVED.…
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TL*THE CONTACT OWNS A 2005 CHEVROLET SILVERADO 2500. WHILE DRIVING APPROXIMATELY 45 MPH THE CONTACT NOTICED THAT THE SPEEDOMETER DISPLAYED AN INACCURATE READING REGARDLESS OF THE SPEED RATE BEING DRIVEN. THE VEHICLE HAS NOT BEEN REPAIRED FOR THE MALFUNCTION AT THIS TIME. THE CONTACT HAD CONCERNS OF THE SAFETY RISK INVOLVED. THE FAILURE MILEAGE WAS UNKNOWN.
SPEEDOMETER GIVES FALSE READINGS. THIS PROBLEM IS SO COMMON WITH THIS MODEL YEAR (2005) CHEVY/GMC TRUCKS PEOPLE ARE SELLING REPAIR COMPONENTS ON EBAY, YAHOO AND OTHER SPOTS ON LINE. INSTRUCTION ARE SHARED ONLINE ALSO. SOME 2005S ARE BEING REPAIRED BY THE MANUFACTURE DEPENDING ON THE VIN OTHER NOT, YET THEY ALL HAVE THE SAME PA…
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SPEEDOMETER GIVES FALSE READINGS. THIS PROBLEM IS SO COMMON WITH THIS MODEL YEAR (2005) CHEVY/GMC TRUCKS PEOPLE ARE SELLING REPAIR COMPONENTS ON EBAY, YAHOO AND OTHER SPOTS ON LINE. INSTRUCTION ARE SHARED ONLINE ALSO. SOME 2005S ARE BEING REPAIRED BY THE MANUFACTURE DEPENDING ON THE VIN OTHER NOT, YET THEY ALL HAVE THE SAME PARTS THAT ARE KNOWN TO BE BAD. 2003 & 2004S HAVE THEIR WARRANTY EXTENDED TO 7 YRS. 70,000 MILE TO COVER THIS PROBLEM. SO FAR WE'RE LUCKY NO ONE HAS BEEN HURT OR KILLED. *TR
SPEEDOMETER DOES NOT SHOW CORRECT SPEED. *TR
EARLY SPEEDOMETER FAILURE ON 2005 CHEVY SILVERADO. *TR
I WAS PULLING OUT OF A SIDE STREET ON TO A BUSY HIGHWAY HAD TO MERGE QUICKLY THE TRUCK WOULD NOT ACCELERATE ENGINE WAS SKIPPING CHECK ENGINE LIGHT COMES ON HAD TO PULL OVER ALL MOST GOT HIT BY TRAFFIC DUE TO THE LACK OF POWER AND NOT ABLE ACCELERATE I TAKE THE TRUCK TO DEALER THEY HAVE IT 3 DAYS WORKING ON WIRING HARNESS SHORT…
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I WAS PULLING OUT OF A SIDE STREET ON TO A BUSY HIGHWAY HAD TO MERGE QUICKLY THE TRUCK WOULD NOT ACCELERATE ENGINE WAS SKIPPING CHECK ENGINE LIGHT COMES ON HAD TO PULL OVER ALL MOST GOT HIT BY TRAFFIC DUE TO THE LACK OF POWER AND NOT ABLE ACCELERATE I TAKE THE TRUCK TO DEALER THEY HAVE IT 3 DAYS WORKING ON WIRING HARNESS SHORTS TO INJECTOR 6 CAUSED BY IMPROPER WIRING HARNESS ROUTING I HAD TO INFORM THEM OF GM TSB ON THIS THEY FIX IT AND SAID NOT COVERED UNDER ENGINE WARRANTY COSTS $370 THIS TRUCK WAS IN MAY 09 FOR SKIP AND P1238 OPEN CIRCUIT INJECTOR 6 AND PROBLEM WAS NOT FOUND COST $100 THE TSB HAD BEEN OUT SINCE 07 THIS IS VERY DANGEROUS WHEN CROSSING BUSY HIGHWAYS AND LOSS OF POWER OCCURS. *TR
THE SPEEDOMETER JUST WENT TO 80 ONE DAY AND STUCK THERE SOMETIMES IT FIXES IT SELF THEN ITS BREAKS AGAIN AND IS RIGHT BACK TO 80 MILES AND UP. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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