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.
2016 Scion iA Automatic TransFACTORY OEM SERVICE PROCEDURE
Power Steering System
POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C1B002F | Steering Angle Sensor signal erratic |
| C1B0054 | Steering Angle Sensor missing calibration |
| C1B0061 | Steering Angle Sensor signal calculation failure |
| C1B0062 | Steering Angle Sensor signal compare failure |
| C1B0095 | Steering Angle Sensor incorrect assembly |
| C200B2F | Steering Shaft Torque Sensor 1 signal erratic |
| C200B61 | Steering Shaft Torque Sensor 1 signal calculation failure |
| C200B62 | Steering Shaft Torque Sensor 1 signal compare failure |
| C200C2F | Steering Shaft Torque Sensor 2 signal erratic |
| C200D49 | Motor Rotation Angle Sensor internal electronic failure |
| U000188 | High Speed CAN Communication Bus bus off |
| U010000 | Lost Communication With ECM/PCM "A" |
| U012100 | Lost Communication With Anti-Lock Brake System (ABS) Control Module |
| U015500 | Lost Communication With Instrument Panel Cluster (IPC) Control Module |
| U021400 | Lost Communication With Remote Function Actuation |
| U033800 | Software Incompatibility with Remote Function Actuation |
| U040100 | Invalid Data Received from ECM/PCM A |
| U041500 | Invalid Data Received From Anti-Lock Brake System (ABS) Control Module |
| U051500 | Invalid Data Received From Remote Function Actuation |
| U201149 | Motor internal electronic failure |
| U201161 | Motor signal calculation failure |
| U230054 | Central Configuration missing calibration |
| U230055 | Central Configuration not configured |
| U230056 | Central Configuration invalid / incompatible configuration |
| U300005 | Control Module System Programming Failures |
| U300041 | Control Module general checksum failure |
| U300043 | Control Module special memory failure |
| U300046 | Control Module calibration / parameter memory failure |
| U300049 | Control Module internal electronic failure |
| U300061 | Control Module signal calculation failure |
| U300096 | Control Module component internal failure |
| U300316 | Battery Voltage circuit voltage below threshold |
| U300317 | Battery Voltage circuit voltage above threshold |
| U300449 | Accessory Power Relay internal electronic failure |
Factory Service Tools
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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.