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2005 Cadillac CTS Power Train:driveline:differential Unit Problems

NHTSA component category: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT · data through 07/14/2026

39Power Train:driveline:differential Unit complaints
14.1%Of all 277 complaints
#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How power train:driveline:differential unit ranks on this vehicle

AIR BAGS61 · 22%
POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT39 · 14.1%
POWER TRAIN27 · 9.7%
ENGINE24 · 8.7%

Share of the 277 complaints citing each category; one complaint can cite several. Full breakdown on the 2005 Cadillac CTS overview page.

What owners report

“THE CONTACT OWNS A 2005 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING AT LOW SPEEDS AND MAKING A TURN, HE WOULD NOTICE A LOUD…”NHTSA complaint 10379294 — filed 01/27/2011
“I AM THE 2ND OWNER MY LOCAL DEALERSHIP IS CALLING MY PROBLEM "CATASTROPHIC FAILURE DUE TO CUSTOMER ABUSE". I OWN A 2005 CADILLAC CTS-V. MY…”NHTSA complaint 10218299 — filed 02/07/2008
“I WAS DRIVING ACROSS AN INTERSECTION AT THE OTHER SIDE OF THE INTERSECTION THERE WAS A SMALL DIP I SHIFTED INTO SECOND AS I WAS…”NHTSA complaint 10210736 — filed 12/03/2007

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Power Train:driveline:differential Unit complaints by year filed

32005252006920071200812011

Frequently asked questions

Does the 2005 Cadillac CTS have power train:driveline:differential unit problems?

Power Train:driveline:differential Unit is the #2 most-reported problem area on the 2005 Cadillac CTS: 39 of 277 complaints on file (14.1%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2005 Cadillac CTS have in total?

277 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 25 involved a crash, 4 involved a fire, 31 reported injuries, and 2 reported deaths.

What does NHTSA's power train:driveline:differential unit category include?

NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.