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Home >> Suzuki >> 2012 >> SX4 Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Continuously Variable Transaxle (CVT)) >> Diagnostic Information and Procedures >> DTC P0703: Brake Switch "B" Circuit >> DTC Troubleshooting
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DTC Troubleshooting

WARNING: This page is about a different variant/trim than selected.
DTC P0703 TROUBLESHOOTING CHART

Step Action YES NO
1  Was "CVT System Check" performed?  Go to Step 2. Go to CVT SYSTEM CHECK .
2  DTC check 
  1. Check DTC related to CAN communication.

Is there any CAN-DTC(s) detected? 		 Go to troubleshooting for applicable DTC. Go to Step 3.
3  DTC check of ECM 
  1. Check DTC of ECM. See DTC CHECK

Is there any DTC(s)? 		 Go to troubleshooting for applicable DTC. Go to Step 4.
4  Brake light switch check 
  1. Check brake light switch. See BRAKE LIGHT SWITCH INSPECTION

Is it in good condition? 		 Substitute a known-good TCM and recheck. Replace brake light switch.
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