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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Electronically Controlled Brake System (HV) - Diagnostic Codes (07 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C12C0-16: Brake System Control Module Power Supply Voltage Circuit Voltage Below Threshold [12/2019 - 10/2021] >> Description

DTC C12C0-16: Brake System Control Module Power Supply Voltage Circuit Voltage Below Threshold [12/2019 - 10/2021]: Description

WARNING: This page is about a different variant/trim than selected.

Refer to DTC C123D-14.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C12C0-16 Brake System Control Module Power Supply Voltage Circuit Voltage Below Threshold When the IG1 terminal voltage is less than 3 V, the IG2 terminal voltage is 9.5 V or more for 4 seconds or more.
  • Open or short in IG1 circuit
  • Improperly connected connector, deformation or corrosion of terminals
  • No. 2 skid control ECU (brake actuator assembly)
Comes on
  • SAE Code: C1241
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)