Ram Diagnostic Trouble Codes

OBD2 fault codes seen on Ram vehicles, with what each code means, its typical repair cost range, and notes on specific Ram models.

Electrical

P0521High

Engine Oil Pressure Sensor/Switch Range/Performance

Ram 1500 • 2013-2018

5.7L Hemi with MDS. P0521 here often means genuine low pressure at hot idle, not a bad sensor....

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