2003 Chevrolet Silverado Power Train:automatic Transmission Problems
NHTSA component category: POWER TRAIN:AUTOMATIC TRANSMISSION · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train:automatic transmission ranks on this vehicle
Share of the 695 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Chevrolet Silverado overview page.
What owners report
“TRANSMISSION SLIPS BETWEEN DEAD STOP TO SECOND GEAR-MORE NOTICEABLE WHEN WHEEL IS TURNED. "CLUNKING" NOISE WHEN SHIFTING. DEALER WAS UNABLE TO FIND ANYTHING WRONG. (2003-2500HD…”NHTSA complaint 10064236 — filed 03/31/2004
“TRANSMISSION SHIFTED THROUGH ALL RANGES WHILE IN FIRST GEAR (LOW) WOULD NOT DOWN SHIFT TO PASS.”NHTSA complaint 10061911 — filed 03/11/2004
“POWER TRAIN & TRANSMISSION, CLUNKS & SLIPS QUITE OFTEN ON ACCELERATION AND SOMETIMES WILL DOWNSHIFT UNEXPECTEDLY AT LOWER SPEEDS.”NHTSA complaint 10058232 — filed 02/16/2004
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train:automatic Transmission complaints by year filed
Frequently asked questions
Does the 2003 Chevrolet Silverado have power train:automatic transmission problems?
Power Train:automatic Transmission is the #5 most-reported problem area on the 2003 Chevrolet Silverado: 44 of 695 complaints on file (6.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Chevrolet Silverado have in total?
695 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 42 involved a crash, 11 involved a fire, 26 reported injuries, and 2 reported deaths.
What does NHTSA's power train:automatic transmission category include?
NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:AUTOMATIC TRANSMISSION category exactly as NHTSA defines and records it.
