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Question

What causes power distribution module (PDM) "overheating" faults?

Answer

Short circuits in output circuits and internal component failure.

Explain

Overheating faults damage the PDM and connected components. CHEPQ tools test output circuit continuity and monitor module temperature—repairing short circuits or replacing the module prevents further damage.

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To apply the diagnostic concepts discussed above in real-world scenarios, explore our full range of professional automotive diagnostic tools. These solutions are designed to support battery testing, system diagnostics, and data analysis for modern vehicles and workshop environments.

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