Relays and Fuses in Control Module Housing, in Plenum

2003 Volkswagen Passat Sedan 4Motion (3B3) W8-4.0L (BDP)SECTION Relays and Fuses in Control Module Housing, in Plenum


Relays and Fuses In Control Module Housing, In Plenum

- Relay for Preheating, Low Heat Output (373)
- Relay for Preheating, High Heat Output (370)
- Power Supply (Terminal 30, B+) Relay (219)
- Secondary Air Pump Relay (203)
- Engine Control Module (ECM) 15A
- Glow Plug Fuse - Engine 40A
- Glow Plug Fuse - Engine 40A
- Glow Plug Fuse - Coolant 25A
- Glow Plug -2- Fuse - Engine 50A
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.