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Test Requirements Ensure all fuses are okay, battery voltage is at least 11.5 volts, all electrical accessories are off, A/C is off. Test Procedure Connect scan tool. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Turn ignition on, engine off. DTC P1564/17972: THROTTLE VALVE CONTROL MODULE (J338) - VOLTAGE TOO LOW 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. Check charging system and battery condition. Repair as necessary. Go to next step. 2. Connect scan tool to DLC. DLC is located on left side of steering column. Using scan tool check and clear any DTCs in memory. See RETRIEVING DIAGNOSTIC TROUBLE CODES . 3. Using scan tool, follow scan tool manufacturer's instructions for TVCM (J338) adaptation. If you are NOTE: Engine will not start during automatic adaptation. Ignition must remain on NOTE: ECM will abort adaptation if; throttle valve cannot be closed completely
2003 Volkswagen New Beetle GLS 2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo
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