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Home >> Volkswagen >> 2004 >> R32 >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (1.9L - Fuel Injection Glow Plug, Engine Code ALH, From My 2002 (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> On Board Diagnostic >> On Board Diagnostic (OBD), technical data >> Control Module identification >> Technical data
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Technical data

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
Engine code ALH
System designation EDC (Electronic Diesel Control)
Exhaust emissions conform to OBD II
On Board Diagnostic yes
Output Diagnostic Test Mode yes
Operating mode of data transfer to VAG1551 /1552 Rapid data transfer
DTC memory Non-volatile memory * See note
Memory for learned values Volatile memory * See note
Twin-path intake manifold no
Variable valve timing no
Charge Pressure Control (CPC) yes
Exhaust Gas Recirculation (EGR) yes

*Independent of voltage supply.

*Values are erased when voltage supply is interrupted.