DTC C1401: Malfunction in Front Speed Sensor RH Circuit; DTC C1402: Malfunction in Front Speed Sensor LH Circuit [10/2018 - 07/2022]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTCs C1413 and C1414.
Refer to DTC C1413: Front Speed Sensor RH Circuit Output; DTC C1414: Front Speed Sensor LH Circuit Output [10/2018 - 08/2021]
, or refer to DTC C1413: Front Speed Sensor RH Circuit Output; DTC C1414: Front Speed Sensor LH Circuit Output [08/2021 - 07/2022]
| DTC No. |
Detection Item |
INF Code |
DTC Detection Condition |
Trouble Area |
MIL |
Note |
| C1401 |
Malfunction in Front Speed Sensor RH Circuit |
501
502
507 |
- INF Code: 501
- At a vehicle speed of 10 km/h (6 mph) or more, output voltage from one of the speed sensors is less than that from the other sensors for 15 seconds or more.
- INF Code: 502
- At a vehicle speed of 10 km/h (6 mph) or more, outputs from both front speed sensors are 0 km/h (0 mph) for 15 seconds or more. (except when both rear speed sensors are 0 km/h (0 mph)).
- INF Code: 507
- At a vehicle speed of 10 km/h (6 mph) or more, output from one of the speed sensors is 0 km/h (0 mph) for 1 second or more.
|
- Front speed sensor RH
- Speed sensor installed improperly
- Front speed sensor rotor RH (front axle hub sub-assembly RH)
- Wire harness or connector
|
Comes on |
- INF Code 501: SAE Code C0507 (Case 1)
- INF Code 502: SAE Code C140C
- INF Code 507: SAE Code C0507 (Case 2)
- ABS DTC
|
| C1402 |
Malfunction in Front Speed Sensor LH Circuit |
511
512
517 |
- INF Code: 511
- At a vehicle speed of 10 km/h (6 mph) or more, output voltage from one of the speed sensors is less than that from the other sensors for 15 seconds or more.
- INF Code: 512
- At a vehicle speed of 10 km/h (6 mph) or more, outputs from both front speed sensors are 0 km/h (0 mph) for 15 seconds or more. (except when both rear speed sensors are 0 km/h (0 mph)).
- INF Code: 517
- At a vehicle speed of 10 km/h (6 mph) or more, output from one of the speed sensors is 0 km/h (0 mph) for 1 second or more.
|
- Front speed sensor LH
- Speed sensor installed improperly
- Front speed sensor rotor LH (front axle hub sub-assembly LH)
- Wire harness or connector
|
Comes on |
- INF Code 511: SAE Code C0501 (Case 1)
- INF Code 512: SAE Code C140B
- INF Code 517: SAE Code C0501 (Case 2)
- ABS DTC
|