Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2017 Lexus CT 200h BaseFACTORY OEM SERVICE PROCEDURE
Electronically Controlled Brake System
ABS DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2014 - 08/2015]
VSC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2014 - 08/2015]
ELECTRONICALLY CONTROLLED BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2014 - 08/2015]
ABS AND ELECTRONICALLY CONTROLLED BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2014 - 08/2015]
| DTC Code | Detection Item | See |
|---|---|---|
| C1241/41 | Low Battery Positive Voltage | Refer to DTC C1241/41: Low Battery Positive Voltage; DTC C1242/42: Open in IG1 / IG2 Power Source Circuit [08/2014 - ] |
ABS TEST MODE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2014 - 08/2015]
ELECTRONICALLY CONTROLLED BRAKE SYSTEM TEST MODE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2014 - 08/2015]
| DTC Code | Detection Item | See |
|---|---|---|
| C1346/71 | Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC) | Refer to DTC C1247/47: Stroke Sensor Malfunction; DTC C1346/71: Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC); DTC C1392/48: Stroke Sensor Zero Point Calibration Undone [08/2014 - ] |
ABS DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - ]
VSC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - ]
ELECTRONICALLY CONTROLLED BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - ]
ABS AND ELECTRONICALLY CONTROLLED BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - ]
| DTC Code | Detection Item | See |
|---|---|---|
| C1241/41 | Low Battery Positive Voltage | Refer to DTC C1241/41: Low Battery Positive Voltage; DTC C1242/42: Open in IG1 / IG2 Power Source Circuit [08/2014 - ] |
ABS TEST MODE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - ]
ELECTRONICALLY CONTROLLED BRAKE SYSTEM TEST MODE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2015 - ]
| DTC Code | Detection Item | See |
|---|---|---|
| C1346/71 | Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC) | Refer to DTC C1247/47: Stroke Sensor Malfunction; DTC C1346/71: Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC); DTC C1392/48: Stroke Sensor Zero Point Calibration Undone [08/2014 - ] |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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