DTC C1028
Precautions: Precautions for ESP® · Precautions for Diagnosing Trouble · Test with Speedometer Tester or Other Equipment · Precautions for Brakes · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
C1028: Master Cylinder Pressure Sensor Circuit Voltage Brake master cylinder pressure sensor signal is out of specified range. |
•Brake system
•ESP® control module |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “ESP® System Check” performed?
|
Go to Step 2.
|
Go to ESP® System Check.
|
| 2 |
Brake system check
1)Check the following points.
•Leakage of brake fluid or air in the hydraulic brake system.
•Too large brake pad-to-disc clearance. Is check result OK?
|
Replace ESP® hydraulic unit / control module assembly and recheck DTC.
|
Repair, replace or adjust brake system.
|