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Home >> Toyota >> 2022 >> 4Runner TRD Pro >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Vacuum Brake Booster) - Diagnostic Codes (C0040-C137B) >> VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster) >> DTC C0278: Open in ABS Solenoid Relay Circuit; DTC C0279: Short in ABS Solenoid Relay Circuit [08/2015 - 08/2019] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store system information (Refer to CALIBRATION [08/2015 - 08/2019] ).
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT: 

When DTC C1241 is output together with DTC C0278 and/or C0279, inspect and repair the trouble areas indicated by DTC C1241 first (Refer to DTC C1241: Low Power Supply Voltage Malfunction [08/2015 - 08/2019] ).

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