volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Engine Control Module (ECM), Replacing|Page 434 > < Engine Control Module (ECM), Replacing
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Then subsequently check the DTC memory of the new engine control module and erase the DTC memory if necessary.

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Perform idling check and carry out test drive. 

During road test the following operating conditions must be fulfilled:

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The coolant temperature must exceed 80 °C.

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When the temperature is reached, the operating conditions
Idling
Part throttle
Enrichment
Full throttle
Overrun
must be attained several times.

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Again check the control module DTC memory

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Generate readiness code.

Engine Control Module (ECM), Replacing|Page 434 > < Engine Control Module (ECM), Replacing