P0463 on GMC ENVOY
What P0463 Means on Your GMC ENVOY
Real GMC ENVOY Owner Reports (Source: NHTSA Complaints Database)
"Seems that the fuel gauge reads empty even after i fill it up. it will chime, illuminate the low fuel light and read --- for range left till empty. this has been a known issue."
"Fuel gauge sensor 2005 envoy xl denali. 70153 miles. after fueling the vehicle fuel gauge registers empty until about an eighth of a tank has been used then the fuel gauge works just fine. have to disconnect the positive battery terminal for appx."
"The fuel tank level sensor is defective and could result in a subject vehicle running out of fuel, stall, and being rear ended by another vehicle. the fuel level sending unit has a variable resistor attached to a float inside the fuel tank."
"Emissions light would come on for a day or two and then go off for weeks. when having vehicle 50,000 mile service they hooked it up to the computer and got both a p0128 bad thermostat code and a p0463 fan clutch failure code. this care is less than 3 years old and should not have these problems."
"I was driving down a hill at approximately 45 miles per hour, when suddenly my envoy just shut off."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0463 on GMC ENVOY
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.