Solved! Autel KM100 Add Key for Mazda CX-9 2019 Fail

In this article, we will show you how to troubleshoot if KM100 fails to add a key for Mazda CX-9 2019.

Tools:

Autel Ultra

Aftermarket Fob

How to Add A Key for CX-9 2019?

Simple 6 steps:

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Issue:

Step 5 — Security Access failed.

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How to Fix it?

Scan all systems using Autel MaxiSys Ultra.

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Research OEM info for Start/ Stop Unit.

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Possible Reasons:

1.Remote transmitter doesn’t work fine

2.Bad-quality key

Solutions:

1.If remote transmitter is the problem,

Re-register using correct remote transmitter.

Then go to Step 4 — Check Ignition.

2.If remote transmitter is fine,

Check Start/ Stop unit config using as-built data via OEM software.

3.If Start/ Stop unit’s config is wrong,

Re-configure it via OEM software by programming.

Then go to Step 5 — Security Access.

4.If Start/ Stop unit is correctly configured,

Check new key.

5.If new key is bad-quality,

Then replace key and add again.

6.If new key is okay,

Replace remote transmitter, and add key again.

7.If it fails again,

Replace Start/Stop unit.

Good to Know:

1.Source your own keys for your customers

2.If key programming fails, look for DTCs in IMMO-related systems

3.Get access to repair info to help understand DTCs

4.Use diagnostic framework to determine the root of the problem

Done!

Credit to Curtis Hardin.

Skype: cardiag.co.uk