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Home >> Mitsubishi >> 2002 >> Mirage LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 1.8L >> Diagnostic Circuit Check >> Scan Tool Will Not Communicate >> No Communication With Engine Control Module (M/T)/Powertrain Control Module (A/T)
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No Communication With Engine Control Module (M/T)/Powertrain Control Module (A/T)

  1. Check connectors and wiring between ECM and OBD-II Data Link Connector (OBD-II DLC). Repair connectors or wiring harness as necessary. See WIRING DIAGRAMS article. If wiring and connectors are okay, check power supply system. Go to POWER SUPPLY SYSTEM CHECK  .
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