Recall Register

2004 Optima AH-28: recalls and complaints

NHTSA lists 2 recall campaigns for the 2004 Optima AH-28. The newest campaign is 05V405000. NHTSA received the report on 13 Sep 2005. The NHTSA record gives the component Fuel System, Other / Delivery / Fuel Pump. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 05V405000, in the NHTSA record

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.
NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

2 campaigns, newest first. 169 units in total.

  1. 05V405000Received . 167 units.

    Fuel System, Other / Delivery / Fuel Pump

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    Should the engine stall, a vehicle crash could occur.
    Remedy, in the NHTSA record
    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.

    Report filed by OPTIMA BUS CORP. Manufacturer campaign number SAF05009.

  2. 05V108000Received . 2 units.

    Engine and Engine Cooling

    Defect, in the NHTSA record
    On certain transit buses equipped with webasto heaters, the burner tubes are made of material that does not meet specifications and could fail prematurely.
    Consequence, in the NHTSA record
    Should the burner tube fail, the coolant heater could overheat, possibly resulting in a fire.
    Remedy, in the NHTSA record
    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.

    Report filed by OPTIMA BUS CORP. Manufacturer campaign number SAF 05002.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

  1. 19981
  2. 19991
  3. 20001
  4. 20011
  5. 20021
  6. 20031
  7. 20042
  8. 20051

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

Official channels

Cite this page

Recall Register. 2004 Optima AH-28: recalls and complaints. https://recallregister.com/vehicle/optima/ah-28/2004/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
30 Sep 2026
Complaint file through
30 Sep 2026
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
OPTIMA BUS CORP

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2004 Optima AH-28?
169 units in 2 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Optima AH-28 have for all model years?
NHTSA lists 3 recall campaigns for the Optima AH-28, model years 1998 to 2005. 2 of them name the 2004 model year.
Is an NHTSA investigation of the 2004 Optima AH-28 open?
The NHTSA investigation file has no investigation that names this model year.