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.
2013 Scion xB Automatic TransFACTORY OEM SERVICE PROCEDURE
Vehicle Stability Control System
ABS DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C0200/31 *1 | Front Speed Sensor RH Circuit |
| C0205/32 *1 | Front Speed Sensor LH Circuit |
| C0210/33 *1 | Rear Speed Sensor RH Circuit |
| C0215/34 *1 | Rear Speed Sensor LH Circuit |
| C0226/21 | SFR Solenoid Circuit |
| C0236/22 | SFL Solenoid Circuit |
| C0246/23 | SRR Solenoid Circuit |
| C0256/24 | SRL Solenoid Circuit |
| C0273/13 *1 | Open in ABS Motor Relay Circuit |
| C0274/14 | Short to B+ in ABS Motor Relay Circuit |
| C0278/11 | Open in ABS Solenoid Relay Circuit |
| C0279/12 | Short to B+ in ABS Solenoid Relay Circuit |
| C1225/25 | SM Solenoid Circuit |
| C1235/35 | Foreign Object is Attached on Tip of Front Speed Sensor RH |
| C1236/36 | Foreign Object is Attached on Tip of Front Speed Sensor LH |
| C1238/38 | Foreign Object is Attached on Tip of Rear Speed Sensor RH |
| C1239/39 | Foreign Object is Attached on Tip of Rear Speed Sensor LH |
| C1241/41 | Low Battery Positive Voltage or Abnormally High Battery Positive Voltage |
| C1243/43 *1 | Acceleration Sensor Stuck Malfunction |
| C1244/44 | Open or Short in Acceleration Sensor Circuit |
| C1245/45 *1 | Acceleration Sensor Output Malfunction |
| C1246/46 *2 | Master Cylinder Pressure Sensor Malfunction |
| C1249/49 | Open in Stop Light Switch Circuit |
| C1251/51 *1 | Open in Pump Motor Circuit |
| C1361/91 | Short Circuit in ABS Motor Fail Safe Relay Circuit |
| C1381/97 | Acceleration Sensor Power Supply Voltage Malfunction |
| C1442/44 | Invalid Data Received from Acceleration Sensor |
| U0073/94 | Control Module Communication Bus OFF |
| U0124/95 | Lost Communication with Lateral Acceleration Sensor Module |
VSC SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| 43 | ABS Control System Malfunction |
| C1203/53 | ECM Communication Circuit Malfunction |
| C1210/36 | Zero Point Calibration of Yaw Rate Sensor Undone |
| C1231/31 | Steering Angle Sensor Circuit Malfunction |
| C1232/32 | Stuck in Acceleration Sensor |
| C1234/34 | Yaw Rate Sensor Malfunction |
| C1290/66 | Steering Angle Sensor Zero Point Malfunction |
| C1336/39 | Zero Point Calibration of Acceleration Sensor Undone |
| C1439/66 | Steering Angle Sensor Initialization Incomplete |
| C1440/98 | Unusual Bank Angle Detected |
| C1443/34 | Invalid Data Received from Yaw Rate Sensor |
| C1445/66 | Vehicle Driven with Steering Angle Sensor not Initialized |
| U0100/65 | Lost Communication with ECM / PCM |
| U0123/62 | Lost Communication with Yaw Rate Sensor Module |
| U0126/63 | Lost Communication with Steering Angle Sensor Module |
TEST MODE DTC OF ABS DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C1271/71 | Low Output Signal of Front Speed Sensor RH (Test Mode DTC) |
| C1272/72 | Low Output Signal of Front Speed Sensor LH (Test Mode DTC) |
| C1273/73 | Low Output Signal of Rear Speed Sensor RH (Test Mode DTC) |
| C1274/74 | Low Output Signal of Rear Speed Sensor LH (Test Mode DTC) |
| C1275/75 | Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC) |
| C1276/76 | Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC) |
| C1277/77 | Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC) |
| C1278/78 | Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC) |
| C1279/79 | Acceleration Sensor Output Voltage Malfunction (Test Mode DTC) |
| C1281/81 | Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC) |
TEST MODE DTC OF VSC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C0371/71 | Yaw Rate Sensor (Test Mode DTC) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.