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The AMP Research replacement OBD-II module plug restores reliable operation for PowerStep running boards affected by a loose or damaged OBD-II module in compatible 2014–2021 GM vehicles. This repair part includes the necessary components to service the plug-and-play wiring harness and return the PowerStep system to normal operation without a full harness replacement when the OBD-II module connection is the source of intermittent faults.
AMP Research 14-21 GM Replacement OBD II Module Plug for Plug N Play Power Step
