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Home › Suzuki › 2007 › SX4 Base, Automatic › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission › Diagnostic Information and Procedures › DTC P0602/P1702: Control Module Programming Error/Internal Control Module Check Sum Error › DTC Troubleshooting

DTC Troubleshooting

DTC TROUBLESHOOTING TABLE

Step Action YES NO
1  DTC check 
  1. Clear DTC by referring to DTC CLEARANCE .
  2. Turn ignition switch to OFF position.
  3. Turn ignition switch to ON position and recheck DTC.

Is DTC P0602 or P1702 still detected? 		 Substitute a known-good TCM and recheck. Intermittent trouble. Check for intermittent by referring to INTERMITTENT AND POOR CONNECTION INSPECTION .
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