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cycle that the diagnostic runs and fails. z The control module records the operating conditions at the time the diagnostic fails. The first time the Conditions for Clearing the MIL/DTC z The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles z A current DTC, Last Test Failed, clears when the diagnostic runs and passes. z A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other z Clear the MIL and the DTC with a scan tool. Diagnostic Aids z Performing the Fuel Injector Coil Test may help to isolate an intermittent condition. Refer to Fuel z For an intermittent condition, refer to Intermittent Conditions . Test Description The numbers below refer to the step numbers on the diagnostic table. 5: This step verifies that the PCM is able to control the fuel injector. 7: This step tests if a ground is constantly being applied to the fuel injector. DTC P0200 Step Action Yes No Schematic Reference: Engine Controls Schematics 1 Did you perform the Diagnostic System Check-Engine Go to Step 2 Go to Diagnostic System Check - Engine Controls 2 1. Clear the DTCs with a scan tool. 2. Idle the engine at the normal operating temperature. 3. Monitor the misfire current counters with a scan tool. Are any of the misfire current counters incrementing? Go to Step 4 Go to Step 3 1. Observe the Freeze Frame/Failure Records for this
2004 Hummer H2 2004 ENGINE PERFORMANCE Engine Controls Diagnosis (DTC P0171/P0174 To DTC P0507 (TAC)) - 4.8L, 5.3L, and 6.0L - Hummer H2
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