metin 0 Posted August 25, 2023 Share Posted August 25, 2023 Good day to everybody. I have a NC750 s DCT 2016. I lost all my keys. Recently I bought a new ECM and tried to register them with two keys. Keys are not original but they have chips on them. I am receiving the error code of 2 short 2 long blinks. Can somebody help me please. Thank you all in advance. Link to post
RC166 694 Posted August 26, 2023 Share Posted August 26, 2023 Have you contacted the company who supplied the ECM? Link to post
Andy m 23,543 Posted August 27, 2023 Share Posted August 27, 2023 The idea is to make stolen ECU's useless. The ECU should have come with its keys and a barcode. I'd return the second hand ECU to it's supplier unless they can provide the code. Andy 2 Link to post
cooperli 1 Posted September 4, 2023 Share Posted September 4, 2023 If you are sure that the keys are programmed to the ECM, then the problem is likely with the ECM. You will need to contact a Honda dealer to have the ECM replaced. Link to post
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