Water can enter the ECU SAM (Signal Acquisition Module) on a Freightliner Cascadia for several reasons, leading to electrical failures and system malfunctions. Here are the most common causes:1. Windshield or Cowl Panel Leaks • A poorly sealed windshield or damaged cowl panel can allow water to leak into the dashboard area. • This is a common issue in older Cascadia models, where adhesive breakdown or improper installation lets water seep in.2. HVAC Drain Clog • The HVAC system drain tube can cl
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Water can enter the ECU SAM (Signal Acquisition Module) on a Freightliner Cascadia for several reasons, leading to electrical failures and system malfunctions. Here are the most common causes:1. Windshield or Cowl Panel Leaks • A poorly sealed windshield or damaged cowl panel can allow water to leak into the dashboard area. • This is a common issue in older Cascadia models, where adhesive breakdown or improper installation lets water seep in.2. HVAC Drain Clog • The HVAC system drain tube can cl
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