Jetta Sedan L5-2.5L (CBTA) (2009)
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Slide Engine Control Module (ECM) on to retaining plate.
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Press catch - 2 - against engine control module.
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Now connect front connector - 1 - to Engine Control Module (ECM) and engage it.
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Slide protective housing on to retaining plate.
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Tighten shear bolts - 1 - uniformly until bolt heads shear off.
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Install plenum chamber bulkhead.
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Install wiper arms and plenum chamber cover.
Motronic Engine Control Module (ECM) (J623) reprogramming
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The new Engine Control Module (ECM) (J623) and immobilizer must be activated.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to --> [ Diagnostic Mode 03 - Read DTC Memory ] See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. Refer to --> [ Readiness Code ] See: Testing and Inspection/Monitors, Trips, Drive