NHTSA vehicle safety data
2004 Optima AH-28 Recalls, Ratings & Complaints
The 2004 Optima AH-28 has 2 NHTSA recall campaigns and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Optima dealer.
NHTSA recall and complaint data for the 2004 Optima AH-28. Recall data is refreshed daily from NHTSA.
FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
NHTSA #05V405000Reported September 13, 2005 · OPTIMA BUS CORP
Potentially affected: 167 vehicles
Defect description
ON CERTAIN TRANSIT VEHICLES AND TROLLEYS EQUIPPED WITH CUMMINS ISB-02 DIESEL ENGINES BUILT WITH EMC CONTROLLED FUEL LIFT PUMPS. ERRATIC VOLTAGE SUPPLY TO THE FUEL LIFT PUMP CAUSES PREMATURE ELECTRIC BRUSH WEAR INTERNAL TO THE FUEL LIFT PUMP. THIS PREMATURE WEAR COULD RESULT IN FUEL LIFT PUMP FAILURE AND IN SOME CASES MAY CAUSE AN ENGINE STALL CONDITION.
Safety consequence
SHOULD THE ENGINE STALL, A VEHICLE CRASH COULD OCCUR.
Manufacturer remedy
CUMMINS, IN CONJUNCTION WITH OPTIMA BUS, WILL NOTIFY OWNERS AND REPAIR THE ENGINES BY EMC RECALIBRATION AND REPLACEMENT OF THE FUEL LIFT PUMP AT NO CHARGE TO THE CUSTOMER. OWNERS MAY CONTACT CUMMINS ASSISTANCE CENTER AT 1-800-DIESELS OR OPTIMA BUS AT 1-316-779-7700.
Notes
OPTIMA BUS RECALL NO. SAF05009.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236; (TTY: 1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.
ENGINE AND ENGINE COOLING
NHTSA #05V108000Reported March 24, 2005 · OPTIMA BUS CORP
Potentially affected: 2 vehicles
Defect description
ON CERTAIN TRANSIT BUSES EQUIPPED WITH WEBASTO HEATERS, THE BURNER TUBES ARE MADE OF MATERIAL THAT DOES NOT MEET SPECIFICATIONS AND COULD FAIL PREMATURELY.
Safety consequence
SHOULD THE BURNER TUBE FAIL, THE COOLANT HEATER COULD OVERHEAT, POSSIBLY RESULTING IN A FIRE.
Manufacturer remedy
WEBASTO DEALERS WILL REPLACE THE SUSPECTED DEFECTIVE PARTS FREE OF CHARGE. OWNERS MAY CONTACT OPTIMA AT 316-779-7700 OR WEBASTO AT 810-593-6000.
Notes
OPTIMA RECALL NO. SAF 05002.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.
Other Optima AH-28 model years
Check your 2004 Optima AH-28 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Optima AH-28 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check an Optima VIN