2018 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Vehicle Dynamics Control System DTCS

VEHICLE DYNAMICS CONTROL SYSTEM DIAGNOSTIC CODE DESCRIPTION

Diagnostic codes Diagnostic items
C1201 [EGI abnormal]
C1225 [Normal Opening Valve 1 malfunction]
C1226 [Normal Opening Valve 2 malfunction]
C1227 [Normal Closing Valve 1 malfunction]
C1228 [Normal Closing Valve 2 malfunction]
C1231 [Steering Angle Sensor abnormal]
C1234 [Yaw rate sensor abnormal]
C1237 [System Failure]
C1241 [Power Supply Voltage Failure]
C1246 [Pressure Sensor]
C1249 [BLS Malfunction]
C1288 [Incorrect VDC Control Module specifications]
C1294 [AT abnormal]
C1300 [Electrical Control Module]
C1330 [Front Right ABS Sensor Circuit Open or Shorted Battery]
C1331 [Front Left ABS Sensor Circuit Open or Shorted Battery]
C1332 [Rear Right ABS Sensor Circuit Open or Shorted Battery]
C1333 [Rear Left ABS Sensor Circuit Open or Shorted Battery]
C1419 [G Sensor Failure]
C1464 [Front Right ABS Sensor Signal]
C1465 [Front Left ABS Sensor Signal]
C1466 [Rear Right ABS Sensor Signal]
C1467 [Rear Left ABS Sensor Signal]
C1468 [FR Valve]
C1469 [FL Valve]
C146A [RR Valve]
C146B [RL Valve]
C146C [Motor Relay]
C146E [Valve Relay]
C1472 [Lateral G Sensor abnormal]
C1474 [Longitudinal G Sensor abnormal]
C1492 [Clutch Switch OFF Malfunction]
C1493 [Clutch Switch ON Malfunction]
C1494 [Reverse Switch OFF Stuck]
C1495 [Reverse Switch ON Stuck]
U0073 [Control Module Communication Bus "A" Off]
U0100 [Lost Communication With ECM/PCM "A"]
U0101 [Lost Communication With TCM]
U0126 [Lost Communication With Steering Angle Sensor Module]
U0140 [Lost Communication With Body Control Module]
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.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.