With all this motor cross-reference and talk (part of my blown motor studies), here is a complete list of 96-current engine codes for the Audi's: VW engine codes will also follow. Engines covered. 1.8L turbo gasoline (engine codes: AEB, ATW, AWM) 2.8L gasoline (engine codes: AFC, AHA, ATQ) Transmissions covered: 5-speed Manual (transmission codes: 012, 01W, 01A) 5-speed Automatic (transmission code 01V) Technical highlights: Covers Audi A4 sedan and A4 Avant (wagon) models, including quattro versions. How to find Audi engine code. March 2, 2016 in Audi A3 8L (1996 to 2003), Audi A4 B5 (1994 to 2001), Audi A4 B6 (2000 to 2006), Audi A6 C5 (1997 to 2005), Audi A6 C5 Allroad Quattro (1999 to 2005), Audi A8 D2 (1994 to 2002), Audi A8 D3 (2002 to 2010), Audi TT 8N (1998 to 2006), Generic How To's by admin 1.8 Liter 4-Cyl. 5V Turbo (engine codes: AEB, ATW, AWM) 1.8 Liter 4-Cyl. 5V Turbo (engine code: AMU, ATC) 1.8 Liter 4-Cyl. 5V Turbo (engine code: AMB) 2.0 Liter 4-Cyl. 4V Turbo (engine code: BPG) 2.0 Liter 4-Cyl. 5V (engine code: ABA) 2.7 Liter V6 5V BiTurbo (engine code: APB) 2.8 Liter V6 5V (engine codes: AHA, ATQ) Before performing an Auto-Scan, you must select your chassis code from this drop-down menu. In this case I selected 8D, for the 1995 through 2001 B5 chassis Audi A4--only one of a multitude of Volkswagens and Audis that the VCDS can scan. - Low labor culture: noise and vibration, especially after starting a cold engine. Examples of application: - Audi A3 I (8L) and II (8P); - Audi A4 B6 and B7; - Audi A6 C4 and C5. Where exactly can I find the engine code? A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ. This sticker have severall information regarding your car (engine code, gearbox code, paint code, trim code and all the option codes). The engine code is the first information on the 4th line (highlighted in red in the image on the left). wky9b.