2009 RAM 1500

The Office of Defects Investigation (ODI) opened this investigation to determine if the failure of airbags to deploy during severe crashes, in certain vehicles, was the result of a safety related defect.  During the investigation a complex failure was studied that can result in non-deployment of subject vehicle air bags and other restraint system devices in severe crash events. The subject vehicles may be equipped with an airbag control unit (ACU) for the supplemental restraint system (SRS) Electronic Control Unit (ECU) manufactured by ZF-TRW.  The ECU receives signals from crash sensors mounted in the vehicle and deploys the vehicle air bags and seat belt pretensioners in accordance with manufacturer design specifications.  The ECU in the subject vehicles contains a model DS84 application-specific integrated circuit (ASIC) which controls the communication of the crash sensor signal, firing commands (i.e., when to deploy the airbag(s) and/or pretensioners), and fault information (e.g., diagnostic trouble codes). In September 2016, FCA announced recall 16V-668 for certain model year (MY) 2010 to 2014 Chrysler, Dodge and Jeep products manufactured with the subject ZF-TRW ACU.  In this recall, FCA discussed an EOS condition that resulted in a failure of the subject DS84 ASIC, which caused air bag non-deployment.  FCA noted that the defect condition had only been observed in vehicles equipped with sensor harnessing routed across the front of the vehicle.  Other FCA vehicles that also used the subject ACU, but were not equipped with cross-car harnessing, had not experienced EOS failures, despite similar time in service. During the course of this investigation, ODI sent two separate Information Request (IR) letters to six vehicle manufactures (including FCA, Hyundai, Honda, Kia, Mitsubishi, and Toyota) and one IR letter to ZF-TRW.  These IR letters resulted in ODI receiving comprehensive data from these manufacturers and suppliers. Studies of this data found that the DS84 ASIC does not have sufficient protection against negative electrical transients or electrical overstress (“EOS”) that can be generated in certain severe crashes.  An electrical transient occurs when the electrical power supplied to a circuit changes momentarily over a short duration of time.   In these severe crash cases, the crash sensors and other powered wiring can be damaged and short circuited so as to create a negative electrical transient of sufficient intensity and duration (that are outside the vehicle manufacturer's specification) to damage the ASIC before the restraint device deployment signal is received by the SRS ECU.  This damaged signal can lead to incomplete or nondeployment of the air bags and/or pretensioners.  Airbag non-deployment and/or lack of pretensioner operation can increase the risk or severity of injury in a crash.A total of 8 fatalities and 14 injuries were associated with known EOS events. The common element in all investigated manufacturers vehicles is the SRS ECU containing a DS84 ASIC manufactured by ZF-TRW.  The risk associated with the ASIC is equally shared among all OEMS involved in the investigation.  The actual real-world risk can be mitigated by other factors which were assessed by ODI during this investigation. The first mitigating factor involves protections built into the ACU design which protect the DS84 ASIC from damage.  There are multiple strategies and levels of protection employed by different OEMs that provide effective EOS mitigation.  The two most common strategies at the ACU level are circuit protection diodes on the remote senor signal lines, and current limiting resistors that protect critical components. The second mitigating factor is found at the vehicle level and involves the location and routing of the wires leading from the crash sensors to the SRS ECU.  If the wires are well protected in a crash and are not routed with other power wires carrying large currents, the risk for an EOS event is significantly reduced or eliminated. These design specific factors combine to produce a spectrum of risk for the vehicles equipped with ACUs using the DS84 ASIC.  Given the many of years of field exposure, it is possible to divide the subject population into two groups; vehicles which have experienced EOS events, and vehicles which have not experienced EOS field events. Four of the six OEMs involved in this investigation have experienced EOS field events on at least one of their models equipped with a DS84 ASIC.  All vehicle models (including the Toyota models identified in the Failure Report Summary of the opening resume for this investigation) with field events have been recalled.  In an abundance of caution, ODI kept this investigation open five years to monitor field performance and did not identify any field events on vehicles not included in existing safety recalls. Given the spectrum of risk identified in this investigation and that all vehicles with a demonstrated unreasonable risk have been recalled, ODI is closing this investigation. ODI is closing this investigation with the following manufacturer safety recalls: 16V-668, 18E-043, 18V-137, 18V-363, and 20V-024.  With the recall actions taken by the subject vehicle and equipment manufacturers, this investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exists on other model or model year vehicles outside of the recall scopes. The agency reserves the right to take further action if warranted by the circumstances.

The contact owns a 2009 Ram 1500. The contact stated that upon purchasing the vehicle, it was discovered that there were two open recalls on the VIN, NHTSA Campaign Number: 13V038000 (Power Train) and 17V821000 (Power Train). The contact scheduled an appointment with a dealer, and the vehicle was repaired under the recall. Upon picking the vehicle and exiting the parking lot, the contact heard an abnormal whining sound coming from the vehicle, and the check engine warning light illuminated. The vehicle was taken back to the dealer and remained with the dealer. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 120,000.

NHTSA ID

11717891

Incident

Feb 12, 2026

Mileage

120,000 mi

I bought this 2009 Dodge ram Laramie about a year ago been riding like new but 4 days ago starting to hear a bad whining noise from the rear end and I see this truck had a recall on the pinion nut I think it's coming lose from the pinion

NHTSA ID

11572638

Incident

Feb 14, 2024

The contact owns a 2009 Ram 1500. The contact stated that the air conditioner, heater, and defogger were inoperable. The climate control warning light was not illuminated. The contact replaced the climate control module; however, the failure persisted. The manufacturer was not notified of the failure. The approximate failure mileage was 200,000.

NHTSA ID

11564563

Incident

Nov 16, 2023

Mileage

200,000 mi

Frame rail has rusted out causing this vehicle unsafe to drive. A quick google search showed this a common problem. I know Mercedes Benz have recalled rusting brake boosters and provided extended warranty on rear subframe rust. Toyota has recalled truck frames. Dodge is ignoring this issue.

NHTSA ID

11528025

Incident

Jun 19, 2023

In researching the vin for my vehicle, a 2009 Dodge Ram 1500, it shows there are no recalls on it but I've recently found that the front fuel tank bracket has rusted out of the frame of the vehicle I believe this VIN should fall under Safety Recall U04 / NHTSA 18V-160 Frame Bracket. This is the subject of that Safety recall which has impacted my vehicle: The front fuel tank strap on about 287,000 of the above vehicles may detach due to the frame bracket corroding. Detachment of the front fuel tank strap could potentially allow the front of the fuel tank to make contact with the ground, increasing the risk of a fuel leak. A fuel leak in the presence of an ignition source could result in a fire.

NHTSA ID

11525394

Incident

Jun 4, 2023

When driving the vehicle at lower speeds, usually between 25 to 38 mph, the engine will surge for about 1 to 2 seconds then back to normal as long as I remain in that speed range. It happens each time within that range of speed.

NHTSA ID

11518578

Incident

Apr 23, 2023

I purchased this vehicle from a private party and insured it and my insurance offers free carfax after checking through its history i see that it has 2 pending recalls and one of them has a buyback program, i called dealerships and the Chrysler warranty phone number but they do not want to buy it back even though that is one of the remedy's , the main problem is with the driveshaft which can separate due to a axle pinion bolt and cause an accident i really do not want to deal with these recalls and would rather go with the available option of having it repurchased from chrysler

NHTSA ID

11515288

Incident

Apr 3, 2023

Tipm causing horn to work not work goes off by itself. Locks don’t work windshield wipers stop working or don’t work at all. Airbags not working. Caused battery to overcharge and begin to smoke. Replaced battery

NHTSA ID

11506858

Incident

Jan 11, 2023

LAMP - DOME

LAMP - DOME

LAMP - DOME

Plate - Planetary

Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.

Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.