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NHTSA defect investigation · Recall Query

Mitsubishi recall query RQ19002

Brake Vacuum Pump Failure. NHTSA’s Office of Defects Investigation opened this recall query about the vacuum on 6 model years (2012–2017). Opened May 10, 2019, closed Dec 12, 2019 after 7 months. It concerns recall 19V804000. closed

What NHTSA says

Source: Office of Defects Investigation, as filed

On May 10, 2019, the Office of Defects Investigation (ODI) opened Recall Query RQ19-002 to investigate three complaints alleging brake vacuum pump failures after the remedies for Recalls 13V-031 and 14V-522 had been completed in model year (MY) 2012 Mitsubishi i-MiEV vehicles. The investigation was opened on model year (MY) 2010 through 2017 Mitsubishi i-MiEV vehicles to cover all products sold in the United States with the same vacuum pump (Recall 14V-522 included MY 2010 through 2014 i-MiEV vehicles). Mitsubishi Motors North America, Inc. (MMNA) provided information about nine (9) additional reports of brake vacuum pump failure in its response to ODI's information request letter for RQ-002 (MY 2012 - 8, MY 2014 - 1). In addition, MMNA's response indicated that there are no MY 2010 through 2011 i-MiEV vehicles currently in the United States (a small number of MY 2010 through 2011 pre-production i-MiEV demo vehicles were listed as scrapped or exported - four of these were included in the scope of 14V-522).On November 8, 2019, MMNA submitted a Defect Information Report (DIR) to NHTSA describing a defect in the brake vacuum pump in approximately 2,108 MY 2012 through 2017 Mitsubishi i-MiEV vehicles manufactured from October 28, 2011 through June 10, 2016 (NHTSA Recall 19V-804, Mitsubishi Recall SR-19-002). Mitsubishi's DIR identified a defect in the brake vacuum pump design that may allow water to penetrate the pump and cause internal corrosion, which may result in brake vacuum pump failure and increased risk of a vehicle crash. Recalled vehicles will have the vacuum pump replaced with a redesigned pump that has improved sealing and anti-corrosion performance. Mitsubishi's DIR indicates that the recall covers all i-MiEV vehicles sold in the United States, as U.S. sales began with MY 2012 and concluded with MY 2017. This investigation is closed based on Recall 19V-804. The ODI reports cited above can be reviewed at NHTSA.gov under the following ID numbers:11078966, 11171175, 11187483.

Stage Recall Query — NHTSA works to complete one within eight months Opened May 10, 2019 Closed Dec 12, 2019 Manufacturer Mitsubishi Motors North America, Inc. Components Service Brakes, Hydraulic › Power Assist › Vacuum, Service Brakes Recall under query 19V804000

A Recall Query is a look at a recall that already exists — whether its remedy works, whether it reached every vehicle it should have, whether the manufacturer met its obligations. The summary is the agency’s own text from its investigation file, unedited; the opening and closing resumes with the full reasoning are on NHTSA’s site under this number.

What this means for an owner

Source: and what happens next

An investigation is not a finding that a defect exists, and it puts no duty on anyone. NHTSA opens a Preliminary Evaluation when complaints and other reports suggest a condition worth asking the manufacturer about; it upgrades to an Engineering Analysis when the answers warrant testing; it closes either when it recommends a recall, when the manufacturer recalls on its own, or when no defect trend is found. The agency’s own goals are about four months for a petition, eight for a Preliminary Evaluation or a Recall Query and eighteen for an Engineering Analysis; many run longer.

This one is closed. A recall query ends with NHTSA’s finding on the recall it examined — the remedy stands, is widened, or a new campaign follows; the file names the recall it concerned and NHTSA’s closing resume carries the reasoning.

Model years it names

Source: as NHTSA filed them

Also named on model years this site has no page for: 2012 Mitsubishi I-Miev; 2013 Mitsubishi I-Miev; 2014 Mitsubishi I-Miev; 2015 Mitsubishi I-Miev.

A vehicle page’s investigation list carries the same action; a name here is the scope NHTSA opened, not a list of affected VINs.

Common questions

Source: NHTSA Office of Defects Investigation

Is RQ19002 a recall?

No — it is NHTSA’s examination of recall 19V804000, which has its own page and remedy.

Is RQ19002 still open?

No. It closed on Dec 12, 2019 with its finding on recall 19V804000.

Which vehicles does RQ19002 cover?

NHTSA opened it on 6 model years: 2017 Mitsubishi i-MiEV, 2016 Mitsubishi i-MiEV, 2012 Mitsubishi I-Miev, 2013 Mitsubishi I-Miev, 2014 Mitsubishi I-Miev, 2015 Mitsubishi I-Miev. That is the scope of the inquiry, not a list of affected vehicles; a recall, if one follows, defines its own population by VIN.