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Engine Control System DTC Diagnostics (P0523 - P16E2)
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DTC Troubleshooting
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DTC Troubleshooting: P154B (3.5L Engine)
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Overview
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DTC Troubleshooting: P154B (3.5L Engine): Overview
If the 12 volt battery sensor measured value does not accord from the measured value of other sensor, the PCM detects a malfunction and stores a DTC.