At a glance
What can fail
The 2012 Ram 4500 has 5 recalls, the most serious including a wheel stud that can break and allow a wheel to separate from the vehicle, a failing alternator that can stall the truck without warning or start an engine fire, and a steering wheel wiring harness that can wear through and trigger an unexpected airbag deployment.
The wheel issue stems from incorrect torque specifications in the owner's and service manuals, which can lead to over-tightened lug nuts and a broken stud. The alternator concern adds a second dimension: if the 220-amp unit shorts rather than simply failing, it raises a fire risk on top of the stall risk. On the restraint side, the airbag concern only affects trucks equipped with the Electronic Vehicle Information Center option, where wiring routed near the driver airbag retainer spring can abrade over time and cause the bag to deploy without a crash occurring.
There are also two other concerns. The column shifter on this truck can be moved out of park without the brake pedal being pressed or a key in the ignition, which means the vehicle can roll away unexpectedly if left unattended. Finally, certain trucks came from the factory equipped with Kidde fire extinguishers, either the plastic-handle or push-button Pindicator type, that may fail to discharge properly, leaving the extinguisher ineffective when it is actually needed.
At a glance
What can fail
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The owner's manual contains incorrect torque specifications for wheel lug nuts. Following these specs can cause over-tightening, which may break wheel studs and lead to wheel separation.
What the fix does
Dealers will correct the torque specifications in the owner's manual and service documents, and inspect and replace wheel studs as needed at no charge.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The fire extinguisher may clog and fail to spray, or require excessive force to use. In some models, the nozzle may separate from the valve assembly with enough force to cause injury and make the extinguisher unusable.
What the fix does
Chrysler will provide a replacement fire extinguisher at no cost. Contact Kidde or Chrysler to arrange the replacement.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
Holding the brake pedal down for extended periods while parked may cause the Brake Transmission Shift Interlock pin to stick open, allowing the transmission to shift out of Park without pressing the brake or turning on the ignition.
What the fix does
Dealers will update the software, inspect the Brake Transmission Shift Interlock, and replace it if needed, at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The 220 amp alternator may suddenly fail, leaving the vehicle without charging power.
What the fix does
Dealers will replace the alternator with a revised alternator at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The steering wheel wiring harness may rub against the driver air bag module retainer spring, potentially causing damage.
What the fix does
Dealers will inspect and secure the wiring harness, add protective caps to the air bag retainer spring ends, at no charge.
Summarized — see the official notice for exact wording, dates, and contacts.