Jetta SportWagen L5-2.5L (CBUA) (2009)
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Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the wiring connection for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is found in the wiring and voltage supply was OK:
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Replace the Camshaft Position (CMP) Sensor (G40) 28.
If no malfunction is found in the wiring and voltage supply was not OK:
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Replace the Motronic Engine Control Module (ECM) (J623). Refer to --> [ Motronic Engine Control Module, Replacing ] .
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Install the engine cover with air filter
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory --> [ Diagnostic Mode 03 - Read DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code --> [ Readiness Code ] See: Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes.