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The PCM detects that a CMP to CKP mis-match has occurred. Action Taken When the DTC Sets z The control module illuminates the malfunction indicator lamp (MIL) on the second consecutive ignition 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 The following conditions may cause this DTC to set: z Camshaft reluctor ring damage z The sensor coming in contact with the reluctor ring z Foreign material passing between the sensor and the reluctor ring z Excessive camshaft end-play z Wiring routed too close to secondary ignition components If you suspect the condition is intermittent, refer to Intermittent Conditions . Test Description The numbers below refer to the step numbers on the diagnostic table. 3: This step inspects for electromagnetic interference (EMI) on the CMP sensor circuits. 6: Damage to the face of the sensor could indicate foreign material passing between the CMP sensor and DTC P0341 Step Action Yes No
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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