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Home >> Hyundai >> 2001 >> Santa Fe V6-2.7L >> Repair and Diagnosis >> Technical Service Bulletins >> All Technical Service Bulletins >> O2 Sensor/PCM - MIL ON/Multiple Codes Set >> O2 Sensor Service Procedure >> Cautions Before Reprogramming
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Cautions Before Reprogramming

1. Conduct reprogramming with the ignition key in the "ON" position.

2. Be careful not to disconnect any cables connected to the vehicle or Hi-Scan Pro during reprogramming.

WARNING:
If reprogramming is interrupted, the manual update procedure must be used.

3. Do not start the engine during reprogramming.

4. Do not turn the ignition key off during reprogramming.

5. Clear all diagnostic codes (P0133, P0134, P1134, P0153, P0154, P1154) related to the upstream 02 sensors on bank 1 and bank 2 before conducting ECM reprogramming.