LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> Transmission >> Transfer Case >> AWD Control System (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode A
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Mode A

DTC Item
P1F00 SELF-SHUT OFF RELAY CIRCUIT LOW
P1F05 SYSTEM VOLTAGE
P1F06 INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR
P1F07 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR
P1F08 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR
P1F09 CONTROL MODULE PROCESSOR
P1F0A INTERNAL CONTROL MODULE EEPROM ERROR
P1F0B AWD POWER SUPPLY VOLTAGE
U0073 CONTROL MODULE COMMUNICATION BUS OFF
U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
U0129 LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE
U0293 LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE
U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE
U0418 INVALID DATA RECEIVED FROM BRAKE SYSTEM CONTROL MODULE
U0594 INVALID DATA RECEIVED FROM HYBRID POWERTRAIN CONTROL MODULE

Diagnostic procedure:

  1. Turn the ignition switch to ON.
  2. Wait for 10 sec or more.