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Home >> Suzuki >> 2012 >> Grand Vitara Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Program >> Diagnostic Information and Procedures >> DTC C1028: Master Cylinder Pressure Sensor Circuit Failure >> DTC Troubleshooting
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DTC Troubleshooting

Step Action Yes No
1  Was "Electronic Stability Program Check" performed?  Go to Step 2. Go to ELECTRONIC STABILITY PROGRAM CHECK .
2  Check brake system 
  1. Check brake system as follows.
    • Leakage or air in the hydraulic brake system
    • Clearance between brake pad and disc too high

Are they in good condition? 		 Go to Step 3. Repair, replace or adjust.
3  Check sensor calibration 
  1. Calibrate master cylinder pressure sensor. Refer to SENSOR CALIBRATION OF ESP® Components .
  2. Clear all DTC(s) and recheck DTC.

Is DTC C1028 still detected? 		 Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. Master cylinder pressure sensor calibration was incomplete.
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