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Home >> Suzuki >> 2007 >> Reno Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Automatic Transmission) >> Diagnostic Information and Procedures >> DTC P0602/P1702: Control Module Programming Error/Internal Control Module Check Sum Error >> DTC Troubleshooting

DTC Troubleshooting

WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
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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