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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Electronically Controlled Brake System (HV) - Diagnostic Codes (06 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1202-00: Master Reservoir Level Malfunction [12/2019 - 10/2021] >> Description

DTC C1202-00: Master Reservoir Level Malfunction [12/2019 - 10/2021]: Description

WARNING: This page is about a different variant/trim than selected.
DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C1202-00 Master Reservoir Level Malfunction Either of the following is detected:
  • The brake fluid level warning switch signal circuit is open for a certain period of time.
  • The reservoir level is low for a certain period of time.
  • Open or short in brake fluid level warning switch (brake master cylinder reservoir assembly)
  • Brake fluid leaks
  • Open or short in wire harness
  • Low brake fluid
  • No. 1 skid control ECU (brake booster with master cylinder assembly)
 Comes on
  • SAE Code: C1202
  • Output ECU: Both skid control ECUs
HINT: DTC C1202-00 is cleared when the conditions return to normal.
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