One problem related to o2 sensor has been reported for the 2012 Dodge Journey. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Dodge Journey based on all problems reported for the 2012 Journey.
2012 Dodge Journey hero awd hatchback showed a check engine light then lost all power and blacked out. Battery was replaced, check engine light again came on and in less than 24 hours blacked out (zero power) again. Vehicle was towed to Dodge and during a 2 week period in the shop the alternator, battery, two O2 sensors and the pcm were replaced in an attempt to fix the issue causing the check engine light. Vehicle was returned to owners and in less than 24 hours blacked out with total power loss again. Issue occured once while vehicle is in motion. Dodge has been unable to locate a solution.