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
Anti-Lock Brake System
ANTI-LOCK BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C001001 | Left Front Inlet Control General Electrical Failure |
| C001101 | Left Front Outlet Control General Electrical Failure |
| C001401 | Right Front Inlet Control General Electrical Failure |
| C001501 | Right Front Outlet Control General Electrical Failure |
| C001801 | Left Rear Inlet Control General Electrical Failure |
| C001901 | Left Rear Outlet Control General Electrical Failure |
| C001C01 | Right Rear Inlet Control General Electrical Failure |
| C001D01 | Right Rear Outlet Control General Electrical Failure |
| C002011 | ABS Pump Motor Control circuit short to ground |
| C002012 | ABS Pump Motor Control circuit short to battery |
| C002013 | ABS Pump Motor Control circuit open |
| C002071 | ABS Pump Motor Control actuator stuck |
| C003007 | Left Front Tone Wheel Mechanical Failures |
| C003107 | Left Front Wheel Speed Sensor Mechanical Failures |
| C003111 | Left Front Wheel Speed Sensor circuit short to ground |
| C003115 | Left Front Wheel Speed Sensor circuit short to battery or open |
| C003129 | Left Front Wheel Speed Sensor signal signal invalid |
| C00312F | Left Front Wheel Speed Sensor signal erratic |
| C003164 | Left Front Wheel Speed Sensor signal plausibility failure |
| C003307 | Right Front Tone Wheel Mechanical Failures |
| C003407 | Right Front Wheel Speed Sensor Mechanical Failures |
| C003411 | Right Front Wheel Speed Sensor circuit short to ground |
| C003415 | Right Front Wheel Speed Sensor circuit short to battery or open |
| C003429 | Right Front Wheel Speed Sensor signal signal invalid |
| C00342F | Right Front Wheel Speed Sensor signal erratic |
| C003464 | Right Front Wheel Speed Sensor signal plausibility failure |
| C003607 | Left Rear Tone Wheel Mechanical Failures |
| C003707 | Left Rear Wheel Speed Sensor Mechanical Failures |
| C003711 | Left Rear Wheel Speed Sensor circuit short to ground |
| C003715 | Left Rear Wheel Speed Sensor circuit short to battery or open |
| C003729 | Left Rear Wheel Speed Sensor signal signal invalid |
| C00372F | Left Rear Wheel Speed Sensor signal erratic |
| C003764 | Left Rear Wheel Speed Sensor signal plausibility failure |
| C003907 | Right Rear Tone Wheel Mechanical Failures |
| C003A07 | Right Rear Wheel Speed Sensor Mechanical Failures |
| C003A11 | Right Rear Wheel Speed Sensor circuit short to ground |
| C003A15 | Right Rear Wheel Speed Sensor circuit short to battery or open |
| C003A29 | Right Rear Wheel Speed Sensor signal signal invalid |
| C003A2F | Right Rear Wheel Speed Sensor signal erratic |
| C003A64 | Right Rear Wheel Speed Sensor signal plausibility failure |
| C004064 | Brake Pedal Switch "A" signal plausibility failure |
| C006154 | Lateral Acceleration Sensor missing calibration |
| C006228 | Longitudinal Acceleration Sensor signal bias level out of range / zero adjustment failure |
| C006254 | Longitudinal Acceleration Sensor missing calibration |
| C006264 | Longitudinal Acceleration Sensor signal plausibility failure |
| C006276 | Longitudinal Acceleration Sensor wrong mounting position |
| U000188 | High Speed CAN Communication Bus bus off |
| U010000 | Lost Communication With ECM/PCM "A" |
| U010100 | Lost Communication with TCM |
| U015100 | Lost Communication With Restraints Control Module |
| U015500 | Lost Communication With Instrument Panel Cluster (IPC) Control Module |
| U040100 | Invalid Data Received from ECM/PCM "A" |
| U040200 | Invalid Data Received from TCM |
| U042300 | Invalid Data Received from Instrument Panel Cluster Control Module |
| U045286 | Invalid Data Received From Restraints Control Module signal invalid |
| U210100 | Control Module Configuration Incompatible |
| U230052 | Central Configuration not activated |
| U230054 | Central Configuration missing calibration |
| U230055 | Central Configuration not configured |
| U230056 | Central Configuration invalid / incompatible configuration |
| U230064 | Central Configuration signal plausibility failure |
| U300049 | Control Module internal electronic failure |
| U300316 | Battery Voltage Circuit voltage below threshold |
| U300317 | Battery Voltage Circuit voltage above threshold |
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:
- • 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.
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