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Test NTC-1: No Trouble Code Test Menu

  1. No Trouble Code (NTC) tests may be performed if a driveability problem or charging system problem exists. Select symptom which most accurately describes driveability problem and determine which NTC test should be performed pertaining to the symptom and the order that NTC tests should be performed. See NO TROUBLE CODE SYMPTOM  table.
  2. Perform appropriate NTC test. See NO TROUBLE CODE TEST MENU  table.
    NO TROUBLE CODE SYMPTOM

    Application Perform NTC Tests In This Order
    Hard Start 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8, 9, 4, 5 (Gasoline Models) & 11
    Start & Stalls 13, 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8 & 9
    Hesitation, Sag Or Stumble 13, 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8, 9, 4, 5 (Gasoline Models) 11 & 18
    Surge 13, 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8, 9 & 5 (Gasoline Models)
    Lack Of Power Or Sluggish 13, 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8 & 9
    Spark Knock Or Detonation 13, 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8, 9 & 5 (Gasoline Models)
    Cuts Out Or Misses 13, 6 (CNG Models), 7 (Gasoline Models) & 9
    Backfire 13, 6 (CNG Models), 7 (Gasoline Models), 8 & 9
    Runs Rough, Unstable Idle Or Erratic Idle 13, 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8, 9, 4, 5 (Gasoline Models) 11 & 18
    Poor Fuel Economy 13, 6 (CNG Models), 7 (Gasoline Models), 10, 14, 8, 9, 4, 5 (Gasoline Models) & 11
    NO TROUBLE CODE TEST MENU

    Application Perform This Test
    No Response From PCM (SCI Only) NTC-2 
    Checking Brake Switch NTC-3 
    Checking Engine Mechanical Systems NTC-4 
    Checking Evaporation Emission System (Gasoline Models) NTC-5 
    Checking Fuel Delivery (CNG Models) NTC-6 
    Checking Fuel Delivery (Gasoline Models) NTC-7 
    Checking Manifold Absolute Pressure (MAP) Sensor Calibration NTC-8 
    Checking Minimum Idle Air Flow NTC-9 
    Checking Engine Coolant Temperature (ECT) Sensor Calibration NTC-10 
    Checking Intake Air Temperature (IAT) Sensor NTC-11 
    Checking Oil Pressure Sensor NTC-12 
    Checking PCM Power & Ground Circuits NTC-13 
    Checking Throttle Position (TP) Sensor Calibration NTC-14 
    Checking A/C System NTC-15 
    Checking Charging System NTC-16 
    Checking Battery Temperature Sensor NTC-17 
    Checking Park/Neutral Switch NTC-18