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I just installed CC in my 2015 over the weekend. One tip: check the pins on the wires before inserting them into the connectors. They are keyed, and my kit came with 2 brown wires with differently keyed pins. Make sure you are using the right one before inserting because it's hard to get them out once they are inserted. The ECM connector on mine appeared to be reverse keyed from the others. You don't want any issues with the ECM pins/connectors or you may not have a car to drive. My CC is working as expected and lowest speed I can lock in is 23 mph. Pretty nice!
The keyed connector. For my 2015 Prius C I had to insert the brown wire pin in that top corner of the connector (right next to the electric tape) The 2012-14 prius C is different, the wire goes to the top connector in the ECM/ECU Conn by strategy400 posted Mar 6, 2020 at 10:30 AM
