LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 1995 >> 90 Base, 2.8 A, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> No Communication Between Pcm & Scan Tool >> Control Module Does Not Answer
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Module Does Not Answer

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