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Home >> Suzuki >> 2012 >> SX4 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Electronic Stability Program) >> Diagnostic Information and Procedures >> DTC C1020/C1028: Master Cylinder Pressure Sensor Power Supply Circuit Failure/Circuit Failure >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
C1020/C1028: SYMPTOM DIAGNOSIS REFERENCE CHART

DTC Detecting Condition Trouble Area
DTC C1020: 
Power supply voltage to master cylinder pressure sensor is too high or low in ESP® hydraulic unit/control module assembly.
DTC C1028: 
  • Master cylinder pressure sensor circuit is opened, shorted to power or ground circuit in ESP® control module.
  • Master cylinder pressure sensor signal is out of specified range in ESP® control module.
  • ESP® control module
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