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Engine Control System DTC Diagnostics (P219C - U0101)
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Troubleshooting
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DTC Troubleshooting: P2648 (3.5L Engine)
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Overview
DTC Troubleshooting: P2648 (3.5L Engine): Overview
If the rocker arm oil control solenoid A (Bank 1) return signal is OFF while the PCM outputs an ON signal, the PCM determines an abnormality and stores the DTC.