hyundai Workshop Repair Guides

Hyundai Workshop Service and Repair Manuals

Relays and Modules - Fuel Delivery and Air Induction > < A/T - Mutual Control Introduction|Page 188
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 DTC P0605 - ECM Internal Error

TROUBLESHOOTING PROCEDURES 
HINTS: 

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If the ground wire of the ECM is not connected securely to ground, the ECM will not operate correctly.

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If we replace ECM ROM without further diagnosis, the problem may reoccur.

Relays and Modules - Fuel Delivery and Air Induction > < A/T - Mutual Control Introduction|Page 188