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Home >> Chevrolet >> 2006 >> Uplander Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.5L - DTC P0496 To DTC U1017 >> DTC P0685 >> Repair Procedures
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Repair Procedures

IMPORTANT: Always perform the Diagnostic Repair Verification after completing the repair.
  1. Clear the DTCs with a scan tool.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine. If engine does not run, refer to Engine Cranks but Does Not Run .
  4. If other DTCs are set, refer to Diagnostic System Check - Vehicle .