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Home >> Audi >> 1994 >> Cabriolet >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> No Communication Between ECM & Scan Tester >> Control Module Does Not Answer

Control Module Does Not Answer

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Press HELP button to generate a list of possible malfunction causes. Check DLC wiring. See CHECKING DLC WIRING. Check for defective ECM by performing diagnostic procedure for Code 65535. After eliminating cause, enter address word "01" to select ENGINE ELECTRONICS.