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 Window Control System
POWER WINDOW CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B10487B | Brake Fluid Level Switch low fluid level |
| B107913 | Hood Up Switch circuit open |
| B108F16 | Cabin Lock/Unlock Switch circuit voltage below threshold |
| B109E87 | Remote Keyless Entry missing message |
| B10A064 | Wiper/ Washer Switch signal plausibility failure |
| B10A662 | Main Light Switch signal compare failure |
| B10A664 | Main Light Switch signal plausibility failure |
| B113E11 | External Boot/Trunk Release switch circuit short to ground |
| B117211 | Drivers Door Interior Unlock Switch circuit short to ground |
| B117213 | Drivers Door Interior Unlock Switch circuit open |
| B117411 | Passenger Door Interior Unlock Switch circuit short to ground |
| B117413 | Passenger Door Interior Unlock Switch circuit open |
| B117511 | Drivers Door Ajar Switch circuit short to ground |
| B117611 | Passenger Door Ajar Switch circuit short to ground |
| B117811 | Boot/Trunk Ajar Switch circuit short to ground |
| B11DA16 | Driver Door Key Cylinder Switch circuit voltage below threshold |
| B11E911 | Left Rear Door Ajar Switch circuit short to ground |
| B11EA11 | Right Rear Door Ajar Switch circuit short to ground |
| B121911 | Interior Boot/Trunk Release Switch circuit short to ground |
| B126A11 | Drivers Door Interior Lock Switch circuit short to ground |
| B126A13 | Drivers Door Interior Lock Switch circuit open |
| B12D311 | Driver Door Lock Status circuit short to ground |
| B1D0611 | Left Turn Indicator circuit short to ground |
| B1D0613 | Left Turn Indicator circuit open |
| B1D0711 | Right Turn Indicator circuit short to ground |
| B1D0713 | Right Turn Indicator circuit open |
| B1D3586 | Hazard Switch signal invalid |
| B1D3686 | Turn Indicator Switch signal invalid |
| C002314 | Stop Lamp Control circuit short to ground or open |
| C113786 | Reverse gear switch signal invalid |
| U000188 | High Speed CAN Communication Bus bus off |
| U010000 | Lost Communication With ECM/PCM "A" |
| U010100 | Lost Communication with TCM |
| U012100 | Lost Communication With Anti-Lock Brake System (ABS) Control Module |
| U014268 | Lost Communication With Body Control Module "B" event information |
| U015100 | Lost Communication With Restraints Control Module |
| U015500 | Lost Communication With Instrument Panel Cluster (IPC) Control Module |
| U021400 | Lost Communication With Remote Function Actuation |
| U045268 | Invalid Data Received From Restraints Control Module event information |
| U051541 | Invalid Data Received From Remote Function Actuation general checksum failure |
| U230054 | Central Configuration missing calibration |
| U230055 | Central Configuration not configured |
| U230056 | Central Configuration invalid / incompatible configuration |
| U300044 | Control Module data memory failure |
| U300049 | Control Module internal electronic failure |
| U300316 | Battery Voltage circuit voltage below threshold |
| U300317 | Battery Voltage circuit voltage above threshold |
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.
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