4 Easy Steps for PCM ECM ECU Key Cycling Installation
0:10 Check Key A
0:30 Check Key B
0:50 Start the engine
1:10 Check Engine Light? Yes or No?
ECU/ECM/PCM Engine Control Module Key Cycling Installation Instructions provided by Flagship One.
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Instructions:
1) Insert the first key into the Ignition
2) Turn the first key to the Ignition 'On' position for 3 seconds, then remove
3) Insert the second key and turn it to the Ignition 'On' position for 3 seconds, then remove
4) Repeat Step 3 with your original key if you would also like it to be programmed to work with your new computer.
0:10 Check Key A
0:30 Check Key B
0:50 Start the engine
1:10 Check Engine Light? Yes or No?