Inspection Mode 7

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Inspection Mode 7
DTC Description and trouble part Note
B1017 COLLISION DETECTION SIGNAL INPUT -
B1107 CAN COMMUNICATION (BIU) STUCK -
B1401 COMBINATION METER COLLATION Model without keyless access with the button start system and immobilizer control module (except for hybrid model)
B1402 IMMOBILIZER KEY COLLATION
B1407 COMBINATION METER COMMUNICATION
B1408 COMBINATION METER NON-VOLATILE MEMORY
B1410 TRANSPONDER COMMUNICATION
B1411 IMMOBILIZER ANTENNA
U0073 CONTROL MODULE COMMUNICATION BUS OFF -
U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF -
U0100 LOST COMMUNICATION WITH ECM/PCM "A" -
U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE -
U0127 LOST COMMUNICATION WITH TIRE PRESSURE MONITOR CONTROL MODULE AND/OR KEYLESS ENTRY CONTROL MODULE -
U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE -
U0167 LOST COMMUNICATION WITH IMMOBILIZER CONTROL MODULE -
U0222 LOST COMMUNICATION WITH DRIVER'S DOOR POWER WINDOW -
U0223 LOST COMMUNICATION WITH PASSENGER'S DOOR POWER WINDOW -
U0293 LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE Hybrid model
U0327 SOFTWARE INCOMPATIBILITY WITH VEHICLE SECURITY CONTROL MODULE Model with keyless access with push button start system
U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" -
U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE -
U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE -
U0426 INVALID DATA RECEIVED FROM IMMOBILIZER CONTROL MODULE Model without immobilizer control module (except for hybrid model)
U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE Model with keyless access with push button start system
U0430 INVALID DATA RECEIVED FROM TIRE PRESSURE MONITOR CONTROL MODULE AND/OR KEYLESS ENTRY CONTROL MODULE -
U128F Lost Communication With Hybrid Powertrain Control Module C-CAN Hybrid model
U1674 LIN COMMUNICATION BUS 2 ERROR BODY CONTROL MODULE -
U1822 LOST COMMUNICATION WITH MASTER MAIN SWITCH -

Diagnostic procedure:

  1. Using the Subaru Select Monitor, perform the clear memory of [Body Control]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
  2. Using the Subaru Select Monitor, read the DTC of [Body Control] to check that there is no DTC displayed. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)Β .
    NOTE:

    If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step Β Β 1Β .Β 

  3. Turn the ignition switch OFF β†’ ON, and wait for 10 seconds or more.
  4. Using the Subaru Select Monitor, read the DTC of [Body Control] to check that there is no DTC displayed. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)Β .
NOTE:

If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs.Β 

RENDER: 1.0x

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When to See a Mechanic

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.