Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGENESIS2021G80 2.5T ADVANCED, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSIMMOBILIZER SYSTEMDESCRIPTION AND OPERATIONCOMPONENTS OPERATIONSPCM (POWER TRAIN CONTROL MODULE)
2021 Genesis G80 2.5T Advanced, AWD
PCM (Power Train Control Module)
2021 Genesis G80 2.5T Advanced, AWDSECTION PCM (Power Train Control Module)
- The PCM (ECM) (A) carries out a check of the ignition key using a special encryption algorithm, which is programmed into the transponder as well as the PCM (ECM) simultaneously. Only if the results are equal, the engine can be started. The data of all transponders, which are valid for the vehicle, are stored in the PCM (ECM).
ERN (Encrypted Random Number) value between EMS and encrypted Smartra unit is checked and the validity of coded key is decided by EMS.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.