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NHTSA Defect Investigations for the 2007 Dodge Nitro

The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 2007 Dodge Nitro, both ongoing and closed, are listed below:

  1. ENGINE STALLING & ELECTRIC POWER LOSS NHTSA Preliminary Evaluation #PE07027

    Component(s): Electrical System
    Engine And Engine Cooling
    Power Train:Automatic Transmission
    Power Train:Manual Transmission

    Summary: On July 3, 2007, DaimlerChrysler corporation (DCC) submitted a defect information report to NHTSA describing a defect that could result in engine stall while driving in approximately 80,894 model year (MY) 2007 Jeep Wrangler and Dodge Nitro vehicles manufactured between January 30, 2006 and January 22, 2007 (NHTSA recall 07V-291, DCC recall G25).according to DCC, the totally integrated power module (tipm) in these vehicles was programmed with software that may allow the engine to stall under certain conditions.DCC will reprogram the tipm in the recalled vehicles with revised software. ODI opened PE07-027 on May 29, 2007, based on 53 complaints alleging engine stall and/or loss of electrical power in MY 2007 Jeep Wrangler vehicles.ODI was also monitoring similar complaints in MY 2007 Dodge Nitro vehicles.DCC's analysis of complaints to DCC and NHTSA found that many described events with a momentary loss of electrical power inside the vehicle and a corresponding loss of engine power.many of the reports also indicated that the instrument cluster telltale lamps momentarily illuminated during the event. DCC's engineering analysis determined that the tipm could initiate an internal reset cycle lasting approximately 75 ms in response to error messages on the communication bus.the "key on" signal from the tipm to the powertrain control module (PCM) is lost during a tipm reset.if the PCM loses the "key on" signal for longer than 40 ms, it interprets it as the vehicle ignition being turned off and begins a power down routine.after the tipm reset, the "key on" signal is restored and the PCM powers back up.if the rotating components of the engine contain sufficient inertia, the vehicle may restart with no input from the operator as reported in some of the complaints.if the engine does not restart in this manner, it can be restarted by the operator.a revision to the tipm software on January 22, 2007 changed the tipm reset time to 17 ms, removing the potential for PCM power down and engine stall. ODI has received 178 complaints potentially related to the alleged defect in MY 2007 Jeep Wrangler vehicles and 52 complaints involving MY 2007 Dodge Nitro vehicles.two of the Nitro complaints allege that a crash resulted from an engine stall incident, one of which caused minor injuries to a passenger.as of June 1, 2007, DCC identified 151 Wrangler complaints and 128 Nitro complaints. This investigation has been closed with DCC's recall.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #PE07027 »

  2. Fleet Vehicle Recall Completion Audit NHTSA Defect Investigation #AQ10001

    • Status:
    • Date Opened: November 18, 2010
    • Date Closed: Pending
    • Recall: possible recall

    Component(s): Unknown Or Other

    Summary: The agency, particularly in recent months, has been informed of incidents involving allegations of personal injury and death claimed to have been caused by safety defects and failures to conform to minimum Federal Motor Vehicle Safety Standards (FMVSS) on rental car vehicles for which a safety recall to remedy the safety defect or noncompliance had allegedly not been performed prior to the rental car company's lease of the vehicle.NHTSA understands that there is presently a petition before the Federal Trade Commission (FTC) seeking to prohibit at least one rental car company from renting vehicles on which safety recall campaign remedies remain outstanding.The purpose of this audit query (AQ) is to investigate recall remedy completion by rental car companies on the above-listed safety recall campaigns.These campaigns were chosen due to their inclusion of vehicles used in the rental market.This information is expected to provide the agency an indication of how completely and how quickly rental car fleets, in general or individually, perform necessary recall-related repairs or other remedies on the vehicles owned and then leased for use on the roadways.This AQ is opened.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #AQ10001 »

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