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P0837 Diagnostic Trouble Code Discussion for April 2011

4WD MUX Switch Performance

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Trouble Ticket Help Requests for DTC P0837
Help Request Posted
2003 Dodge Ram 2500 5.9L Poor Idle Quality, MIL Lamp on VIN: 3D3KU28C53
P0837: 4wd switch range/performance. Thank you in advance. This truck came running poor with one turn signal light always lit in front no brake lights or turn signals. The only thing I can communicate with is the ECM. tryed disconnecting as many moduals as I can get to with no luck getting anthin...
April 25, 2011