2022 Subaru WRX Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE

Instrumentation System DTCS

INSTRUMENTATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Reference
B1500 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1500 FUEL SENDER OPEN DETECTED
B1502 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1502 WARNING BOX COMMUNICATION MALFUNCTION
B1503 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1503 METER CONTROL MODULE CAN REGISTER STUCK
B1507 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1507 OUTSIDE TEMPERATURE SENSOR OPEN DETECTED
B1509 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1509 COCKPIT CONTROL SIGNAL INPUT
U0074 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF
U0100 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A"
U0101 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0101 LOST COMMUNICATION WITH TCM
U0122 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
U0128 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0128 LOST COMMUNICATION WITH PARK BRAKE CONTROL MODULE
U0129 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0129 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE
U0131 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0131 LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE
U0132 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0132 LOST COMMUNICATION WITH SUSPENSION CONTROL MODULE "A"
U0141 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0141 LOST COMMUNICATION WITH BODY CONTROL MODULE "A"
U0151 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE
U0181 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0181 LOST COMMUNICATION WITH HEADLAMP LEVELING CONTROL MODULE
U0327 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0327 SOFTWARE INCOMPATIBILITY WITH VEHICLE SECURITY CONTROL MODULE
U0421 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0421 INVALID DATA RECEIVED FROM SUSPENSION CONTROL MODULE "A"
U1140 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1140 LOST COMMUNICATION WITH BODY CONTROL MODULE BODY-CAN
U1232 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1232 LOST COMMUNICATION WITH REAR/SIDE RADAR CONTROL MODULE
U1283 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1283 LOST COMMUNICATION WITH EYESIGHT SA-BUS
U1533 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1533 INVALID DATA RECEIVED FROM REAR/SIDE RADAR CONTROL MODULE
U1584 Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1584 INVALID DATA RECEIVED FROM EYESIGHT SA-BUS
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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