17070/P0686/001670

From Ross-Tech Wiki

17070/P0686/001670 - ECM Power Relay Control Circuit (J271): Short to Ground

Possible Causes

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

Possible Solutions

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