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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 135 (Electronically Controlled Brake System (HV) - Diagnostic Codes (09 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C141C-49: Brake Booster Motor "A" Control Internal Electronic Failure [10/2021 - ] >> Description

DTC C141C-49: Brake Booster Motor "A" Control Internal Electronic Failure [10/2021 - ]: Description

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

Refer to DTC C0594-00.

Refer to DESCRIPTION , or refer to DTC C0594-00: Brake Booster Motor "A" Performance [11/2023 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C141C-49 Brake Booster Motor "A" Control Internal Electronic Failure Either of the following is detected:
  • When the voltage at terminal +BI1 is between 7.3 and 16.6 V, overcurrent is detected in the motor relay for 0.054 seconds or more.
  • Overcurrent is detected in the motor fail-safe relay for 0.054 seconds or more.
 No. 1 skid control ECU (brake booster with master cylinder assembly) Comes on
  • SAE Code: C141C
  • Output ECU: Both skid control ECUs
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