2015 Chevrolet Silverado 2500 Fuel System Problems
NHTSA lists 19 fuel system complaints for the 2015 Chevrolet Silverado 2500, about 11% of all complaints for the year, with a median failure mileage of 74,750. No related recall is listed for this problem area.
- Fuel System complaints
- 19
- 11% of 176
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 74,750 mi
- Related recalls
- 0
Typical fuel system symptoms owners report
- Owners report the CP4 fuel injection pump failing and sending metal fragments through the fuel lines, injectors, and tank, requiring full fuel system replacement.
- Some drivers describe sudden stalling or shutdown at highway speed, including loss of power steering and power brakes, after a low fuel rail pressure code appeared.
- Diesel fuel line leaks were reported, with fuel spraying near the exhaust system and creating a strong fuel smell inside or around the cabin.
- Several owners describe the diesel exhaust fluid (DEF) system malfunctioning, including a stuck DEF level indicator and a failed DEF tank heater that triggered speed restrictions.
- Fuel gauge sensors were reported to read empty even after refueling, raising concern about running out of diesel while towing on the highway.
- Owners also report the vehicle entering limp mode with a countdown warning before it would shut off, sometimes traced to a DEF tank issue.
When 2015 Chevrolet Silverado 2500 fuel system complaints were filed
First complaint Apr 18, 2017, latest Jan 10, 2026.
Fuel System recalls for the 2015 Chevrolet Silverado 2500
No safety recalls on record for this model year.
Fuel System complaints by Silverado 2500 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
- 200524 (9%)
- 20066 (3%)
- 200710 (5%)
- 20087 (4%)
- 20091 (2%)
- 20102 (10%)
- 201112 (12%)
- 201210 (19%)
- 201310 (20%)
- 20148 (20%)
- 201519 (11%)
- 201613 (11%)
- 20173 (6%)
- 20189 (17%)
- 201911 (15%)
- 202011 (10%)
- 20218 (9%)
- 20222 (2%)
- 20232 (4%)
- 20249 (6%)
- 20252 (7%)
Frequently asked questions
- How common are fuel system complaints for the 2015 Chevrolet Silverado 2500?
- NHTSA lists 19 fuel system complaints for the 2015 model year, making up about 11% of all 176 complaints filed for that year.
- Is there a recall for fuel system problems on the 2015 Silverado 2500?
- No related recall is listed in NHTSA data for the fuel system on the 2015 Silverado 2500.
- At what mileage do fuel system problems typically show up?
- The median mileage at failure reported to NHTSA for this problem area is 74,750 miles.
- What specific fuel system parts fail most on the 2015 Silverado 2500?
- Owner complaints most often describe CP4 fuel injection pump failures, diesel fuel line leaks, DEF system malfunctions, and fuel level sensor issues.
- Have fuel system failures caused crashes or fires?
- NHTSA data for this problem area on the 2015 Silverado 2500 lists 0 crashes and 0 fires among the reported complaints.