LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1638 (Engine Control System & Fuel System - 4.3L - DTC P0016 To P0336) >> DTC P0201, P0202, P0203, P0204, P0205, or P0206 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine idling, observe the following control circuit status parameters for each fuel injector:
    • Cyl 1-8 Injector Ckt Short Gnd Test Status
    • Cyl 1-8 Injector Ckt Open Test Status
    • Cyl 1-8 Injector Ckt Short Volts Test Status

      Each parameter should display OK or Not Run.

  2. Engine running, observe the DTC information with a scan tool. DTC P0201, P0202, P0203, P0204, P0205 or P0206 should not set.
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
scientia non olet · About LEMON Manuals