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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  DTC check 
  1. Check DTC of TCM referring to DTC CHECK .

Is there any DTC(s)? 		 Go to applicable DTC diagnostic flow chart. Substitute a known-good ECM and recheck.
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