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The P1403 plugs into the DMTL-P1402 Motor...

Vehicle: 2001 Hyundai Accent GL

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P1402 Diagnostic module tank leakage (DMTL- Valve) - Valve malfunction

There is a TSB about this that pertains to you situation TSB CAN-04-90-004  . This is about corrosion of the DMTL connector due to water leakage into the DM-TL Here is a wiring diagram.

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