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Home >> Suzuki >> 2007 >> Aerio Base, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P1600: Serial Communication Problem Between ECM and TCM >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
No signal inputted from TCM to ECM or check sum error while engine running.
  • "GRN/YEL" circuit open or short
  • TCM power or ground circuit open
  • TCM malfunction
  • ECM malfunction
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