TT Coupe L4-1.8L Turbo (AWP) (2005)
If the warning lamp does not go out:
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Switch off ignition.
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Remove instrument cluster
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Connect test box to control module wiring harness, See: Testing and Inspection/Component Tests and General Diagnostics/Test Box, Connecting
For Wiring Test connect test box for wiring test.
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Check wire connection between test box socket 48 and instrument cluster for short circuit to Ground (GND) according to wiring diagram
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Erase DTC memory of ECM. See: Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 04 - Erase DTC Memory
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Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Generate Readiness Code
If no malfunctions are detected in wire from Engine Control Module (ECM) to warning lamp:
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Replace Motronic Engine Control Module (ECM) -J220-.