DTC C1047 / C1048
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 |
|---|---|
|
C1047: Both-Front Wheel Speed Sensor or Encoder Signal Performance Yaw rate estimated by both front wheel speed sensors does not match yaw rate sensor signal. |
•Steering angle sensor •Wheel speed sensor •Wheel speed sensor circuit •Wheel speed sensor encoder •ESP® control module |
|
C1048: Both-Rear Wheel Speed Sensor or Encoder Signal Performance Yaw rate estimated by both rear wheel speed sensors does not match yaw rate sensor signal. |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “ESP® System Check” performed?
|
Go to Step 2.
|
Go to ESP® System Check.
|
| 2 |
DTC check
1)Perform DTC Check.
Is other DTC(s) than C1047 or C1048 detected?
|
Go to applicable DTC troubleshooting.
|
Go to Step 3.
|
| 3 |
Steering angle sensor on-vehicle inspection
1)Check steering angle sensor.
Is check result OK?
|
Go to Step 4.
|
Replace steering angle sensor and recheck DTC.
|
| 4 |
Wheel speed sensor check
1)Check applicable wheel speed sensor, wheel speed sensor encoder and/or wheel speed sensor circuit according to DTC C1021 / C1022 / C1025 / C1026 / C1031 / C1032 / C1033 / C1035 / C1036.
Is check result OK?
|
Replace ESP® hydraulic unit / control module assembly and recheck DTC.
|
Repair or replace defective part.
|