LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2006 >> Grand Prix Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.8L - DTC P0446 To P2108 >> DTC P0685 >> Repair Procedures
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Repair Procedures

  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 .
scientia non olet · About LEMON Manuals