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How to Reset the DPF Warning Light on the Mazda CX7?

Model: Mazda Cx7 MK 1 - Years 2006-2012
Part: Warning light – error code

To reset the DPF warning light on the Mazda CX7, turn off the ignition and connect a wire from the upper terminal of the connector to a grounding point on the body. At this point, turn on the ignition and press the accelerator pedal ten times. Now, turn off the car and access the engine bay again to disconnect the wire previously connected to the connector. After the wire has been removed, go to the cabin and turn on the ignition, confirming that the warning light has been reset.

Updated on 28 April 2026 by ScegliAuto

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