Air bags: air bag/restraint control module
Risk. If the air bags and/or seat belt pretensioners unintentionally deploy, it can increase the risk of a crash.
NHTSA has logged 14 owner complaints about the 2004 Scion XA, most often about the engine and engine cooling. It is covered by 1 safety recall, and for recall 18V-776 the manufacturer reports only 30% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 1, 2018. Updated daily. Photo: U.S. National Highway Traffic Safety Administration, Public domain.
14 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine and engine cooling | 3 | 0 |
| Tires | 3 | 0 |
| Electrical system | 2 | 1 |
| Air bags | 2 | 2 |
| Service brakes, hydraulic | 1 | 0 |
| Structure | 1 | 1 |
| Vehicle speed control | 1 | 0 |
| Engine | 1 | 1 |
| Equipment | 1 | 0 |
| 2 other systems | 2 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. If the air bags and/or seat belt pretensioners unintentionally deploy, it can increase the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Scion.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the XA median. How we score
Recent engine and engine cooling complaints filed with NHTSA, shortened. Personal details are removed.
ON MAY 28, 2005, WHILE DRIVING MY 2004 TOYOTA PRIUS, SEVERAL WARNING LIGHTS APPEARED ON THE DASHBOARD, AND MY WIFE AND I DECIDED TO TAKE IT TO A DEALER (TOYOTA OF DALLAS) IMMEDIATELY. BEFORE WE WENT MUCH DISTANCE, THE ENGINE STALLED AND WOULD NOT RE-START. WE CALLED THE DEALER, WHO WE ASKED TO SEND…
DT: CONSUMER STATES: THE CAR SMELLS LIKE SULFUR DIOXIDE COMING IN THE CAR THROUGH VENTS AND COMES CATALYTIC CONVERTER. DEALER TRIED TO FIXED IT. THOUGHT IT WAS ORIGINALLY FROM BUSES IN THE CITY. *AK
OUR 2004 PRIUS ON FOUR SEPARATE OCCASIONS HAD A COMPLETE ENGINE SHUTDOWN WITH LOTS OF INDICATOR LIGHTS LIT ON THE DASHBOARD. THIS HAPPENED TWICE WHILE WE WERE TRAVELING ON INTERSTATE HIGHWAYS IN TRAFFIC AT HIGHWAY SPEEDS, ONCE IN A TOYOTA DEALERSHIP WHILE THE VEHICLE WAS BEING SERVICED, AND ONCE AS…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.