New Beetle L4-2.0L (AVH) (2005)
Engine Control Module: Service and Repair
Engine Control Module (ECM), Replacing
Engine Control Module (ECM), Replacing
Work procedure
Check control module identification of the previous Engine Control Module (ECM) as follows:
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Connect diagnostic tester. See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan
Tool Connecting/Diagnostic Tester, Connecting
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Switch ignition on.
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Under address word 33, select "Diagnostic mode 9: Vehicle information".
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Select vehicle information 'Test-ID 04: Calibration Identification".
Control module identification will be displayed, e.g.:
06A906032NA 4983
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End diagnosis and switch ignition off.
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Remove inner plenum chamber cover.
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Carefully press back mounting bracket (arrow).
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Disengage connector from control module and then disconnect it.
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Pull control module out of mounting frame.
Installing
Installation is in reverse of removal. Note the following:
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Check whether new control module identification matches old control module identification.
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes