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Authorized vehicle key required. Connect scan tool. Switch ignition on. Follow scan tool manufacturer's DTC P1579/17987: THROTTLE VALVE CONTROL MODULE (J338) - ADAPTION NOT STARTED Test Requirements Ensure battery is okay. Ensure all fuses are okay, battery voltage is at least 11.5 volts and fuel pump relay is Throttle Valve Control Module Adaption TVCM (J338) adaptation must be performed when voltage supply to TVCM (J338) or ECM is lost. TVCM z Automatically if ignition is switched on for 10 seconds or more, without operating accelerator pedal or z When initiated through diagnostic function 04 - BASIC SETTING in display group 060, (VAG 1. Connect scan tool to DLC. DLC is located on left side of steering column. Using scan tool check and 2. NOTE: For Model Year 2001, manufacturer recommends using Scan Tool VAG NOTE: Identity of ECM is read into the immobilizer control module next time ignition is NOTE: This DTC may set if TVCM (J338) has been replaced, and not adapted to ECM. NOTE: Engine will not start during automatic adaptation. Ignition must remain on
2003 Volkswagen New Beetle GLS 2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo
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