P0008 - Engine Position System Performance Theory of Operation The Powertrain Control Module (PCM) will turn on the MIL lamp immediately after this diagnostic runs and fails. The PCM will turn off the MIL lamp after the diagnostic runs and passes in four consecutive drive cycles. When Monitored and Set Conditions When Monitored: This diagnostic runs continuously when the following conditions are met: • With the engine running. Set Conditions: • The Powertrain Co