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.
2022 Toyota GR86 Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Body Control System
BODY CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B1010 | Body Control System (BIU) Malfunction |
| B1011 | Battery Control Power Supply |
| B1012 | Battery Backup Power Supply |
| B1013 | Ignition power |
| B1014 | ACC power |
| B1016 | Shift lock circuit |
| B1107 | CAN Communication (BIU) stuck |
| B1244 | Light Sensor Circuit |
| B1247 | Lost Communication With Tire Pressure Monitor ECM |
| U0074 | Control Module Communication Bus "BODY-CAN" Off |
| U0100 | Lost Communication With ECM/PCM "A" |
| U0101 | Lost Communication With TCM |
| U0122 | Lost Communication With Vehicle Dynamics Control Module |
| U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module |
| U0164 | Lost Communication With HVAC Control Module |
| U0222 | Lost Communication with Driver's Door Power Window |
| U0223 | Lost Communication with Passenger's Door Power Window |
| U0327 | Software Incompatibility With Vehicle Security Control Module |
| U0401 | Invalid Data Received From ECM/PCM "A" |
| U0402 | Invalid Data Received From TCM |
| U0416 | Invalid Data Received From Vehicle Dynamics Control Module |
| U0423 | Invalid Data Received From Instrument Panel Cluster Control Module |
| U0424 | Invalid Data Received From HVAC Control Module |
| U0427 | Invalid Data Received From Vehicle Security Control Module |
| U1235 | Lost Communication With EyeSight |
| U1433 | Invalid Data Received From EyeSight |
| U1674 | LIN Communication Bus 2 Error Body Control Module |
| U1822 | Lost Communication with Master Main Switch |
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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