Preliminary Evaluation · Closed
Alternator failure
Manufacturer: Chrysler (FCA US, LLC)
This investigation led to a recall
NHTSA links this probe to recall campaign 14V634000.
Read the recall: what is defective and the free fix →What NHTSA is examining
On July 22, 2014, the Office of Defects Investigation (ODI) opened PE14-022 to investigate 14 complaints (VOQs) alleging incidents of alternator failure resulting in engine stall while driving in model year (MY) 2011 through 2012 Dodge Charger vehicles.The MY 2011 through 2012 Dodge Charger vehicles were sold with three different engine options:1) 3.6L V6 (VIN8 = G), 88,766 vehicles; 2) 5.7L V8 (VIN8 = T), 38,615 vehicles; and 3) 6.4L V8 (VIN8 = J), 2,406 MY 2012 vehicles.The 14 VOQs identified in the PE14-022 opening resume involve 13 vehicles with 3.6L V6 engines and 1 vehicle with unknown engine (no VIN provided).In an October 7, 2014 letter to NHTSA, Chrysler described a safety defect condition that could result in rapid alternator failure having limited or no detection in approximately 434,581 MY 2011 through 2014 Chrysler 300, Dodge Charger, Dodge Challenger, Dodge Durango and Jeep Grand Cherokee vehicles equipped with 3.6L engines and 160 amp alternators (NHTSA Recall No. 14V-634, Chrysler P60).The subject alternators are used in vehicles equipped with 3.6L V6 engines and without towing packages.According to Chrysler, the silicone diodes in the alternator rectifier bridge may experience thermal fatigue due to cyclic loading from the Electric Hydraulic Power Steering (EHPS) system, eventually resulting in no output, reduced output, or a fully shorted to ground condition.These failure modes vary in their time to failure and warning to the driver.Depending on the failure…
Vehicles under investigation
Source: NHTSA Office of Defects Investigation records, updated daily. An investigation is not a determination that a defect exists; many probes close without a recall.