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Home >> Saab >> 1996 >> 9000 CS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - TRIONIC Fuel Control System >> Circuit Tests >> DTC P0605 - Electronic Control Module (ECM) Malfunction >> Diagnosis & Repair Procedure

Diagnosis & Repair Procedure

  1. Clear DTC and road test vehicle. If DTC is reset, remove and check the following:
    • Condition of connector and connector sleeves.
    • ECM ground connection (terminals No. 24 and 25).
    • ECM power connection (terminals No. 1, 48 and 60). If no fault is found, go to next step. If fault is found, repair or replace as necessary.
  2. Clear DTC and road test vehicle. If DTC is not reset, repair is complete. If DTC is reset, replace ECM and retest system.
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