17925/P1517

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17925/P1517/005399: Power Supply Relay for ECU (J271 or J363): Electrical Malfunction

Possible Causes

  • Power Supply Relay for Engine Control Module (J271 or J363) faulty
  • Wiring between Engine Control Module (J220) and Power Supply Relay for Engine Control Module (J271 or J363) faulty

Possible Solutions

  • Check/Replace Power Supply Relay for Engine Control Module (J271 or J363)
  • Check Wiring between Engine Control Module (J220) and Power Supply Relay for Engine Control Module (J271 or J363)
  • Check/Replace Engine Control Module (J220)

Special Notes

  • When found in Tdi engines in combination with P2146/008518 - Supply Voltage for Fuel Injector Group A: Open Circuit - 009 - Open or Short to Ground check the injectors and their wiring as noted Here
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