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Home >> Suzuki >> 2007 >> Aerio Base, AWD >> 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

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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