DTC C1237 Primary Pressure Sensor-Signal: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
|
- External noise.
- Faulty pressure sensor
|
| Enable Conditions |
- If input signal is noisy, Which the gradient of the sensor signal is larger than predefined value for specific times, ECU detect the failure.
- Outside an ABS/ESC control, And after normal operation of BLS, If the pressure sensor signal is higher than 20bar and BLS is low for 3sec, ECU detect the failure.
|
| Fail Safe |
- Inhibit the ESC control and allow the ABS/EBD control.
- The ESC warning lamp is activated.
|