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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - DTC P0010 To DTC P0442) >> Diagnostic Information And Procedures >> DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358, P2300, P2301, P2303, P2304, P2306, P2307, P2309, P2310, P2312, P2313, P2315, P2316, P2318, P2319, P2321 Or P2322: Ignition Coil Control Circuit >> Component Testing

Component Testing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
    NOTE: Circuit/System Testing must be performed before proceeding with Component Testing.
  2. Remove the appropriate component : T8 Ignition Coil - Leave the electrical connector connected.
  3. Install the special tool : J-26792  Ignition Spark Tester
  4. Engine - Running
  5. Verify there is spark at the special tool.
    NOTE: An erratic or weak spark is considered a no spark condition.
    • If there is no spark 

      Replace the component : T8 Ignition Coil

    • Go to next step : If there is spark 
  6. All OK.
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