LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2013 >> Kizashi Base, Automatic CVT Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Continuously Variable Transaxle (CVT) >> Diagnostic Information and Procedures >> DTC P0602: Control Module Programming Error >> DTC Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
DTC recheck 
  1. Clear DTC, see DTC CLEARANCE .
  2. Confirm that ignition mode of keyless push start system is "OFF".
  3. Perform DTC CONFIRMATION PROCEDURE , and check DTC.

Is DTC P0602 still detected? 
Go to Step 2. Check for intermittent trouble, see INTERMITTENT CONNECTION AND POOR CONTACT INSPECTION .
TCM reprogramming check 
Was reprogramming of TCM executed? 
Execute reprogramming of TCM correctly once again. Go to Step 3.
TCM power supply and ground circuits check 
  1. Check TCM power supply and ground circuits, see TCM POWER SUPPLY AND GROUND CIRCUIT CHECK .

Are they in good condition? 
Substitute a known-good TCM and recheck DTC, see TRANSMISSION CONTROL MODULE (TCM) REMOVAL AND INSTALLATION  Repair or replace defective wire harness.