Jetta Sedan L5-2.5L (BGP) (2005)
Check the identification of the previous Motronic Engine Control Module (ECM) (J220) as follows:
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Connect the scan tool.
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Switch the ignition on.
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Using the scan tool, select "Vehicle information".
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Select " Calibration Identification" in vehicle information.
The electronic control module identification number will be displayed, e.g.: 06A906032NA 4983
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Record the electronic control module identification number.
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End of diagnosis and switch the ignition off.
Procedure
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Remove the wiper arms
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Remove the plenum chamber cover
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Saw off two rounded sides of the shear bolt heads so that two flat parallel surfaces result - arrows -.
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Using locking pliers, remove the shear bolts. Discard the shear bolts.
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Insert a screwdriver - A - between the protective housing and the retaining plate - arrow -.