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z DTC P0606/16990: ECM (J220) - Malfunction Test Requirements Ensure battery is okay. Ensure all fuses are okay, battery voltage is at least 11.5 volts and fuel pump relay is Test Procedure 1. Check ECM ground and power supply. See ECM GROUND & VOLTAGE SUPPLY under ENGINE CONTROL MODULE (J220) ME SFI CONTROL MODULE. If ECM ground and voltage supply are 2. Replace ECM with known-good unit. Before disconnecting Engine Control Module (ECM - J220) record code and identification number from ECM that is to be replaced. See ECM CODING . Go to next step. 3. To remove ECM see specific model below. Beetle GTI and Jetta Passat 4. After installing ECM perform following procedures: z Use scan tool to code new ECM. See ENGINE CONTROL MODULE (J220) CODING . z Use scan tool to check DTC memory, erase if necessary. See CLEARING DIAGNOSTIC z Perform adaptation of throttle valve control module. See THROTTLE VALVE CONTROL z On vehicles equipped with cruise control, activate cruise control to ECM. See NOTE: DTC P0601/16985, DTC P0602/16986, DTC P0604/16988 and DTC P0606/16990
2003 Volkswagen New Beetle GLS 2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo
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