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DTC C15C3: Brake System Control Module [12/2017 - 10/2023]: Description

The VGRS ECU (front steering control ECU) detects a vehicle speed error by receiving an error signal from the skid control ECU (brake actuator assembly)*1 or skid control ECU assembly*2 via CAN communication.

If the VGRS ECU (front steering control ECU) detects this error signal, it turns the master warning light on, and stores this DTC.

  1. *1: w/ Vacuum Brake Booster
  2. *2: w/o Vacuum Brake Booster
DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition
C15C3 Brake System Control Module All conditions are met:
  • 3 seconds or more after the engine switch is turned on (IG).
  • Power source voltage at 10 to 16 V.
  • Information regarding a vehicle speed signal malfunction is received for approximately 3 seconds or more from the skid control ECU (brake actuator assembly)*1 or skid control ECU assembly*2 via CAN communication or there is a VDIM monitoring malfunction.
 Skid control ECU (brake actuator assembly)*1
Skid control ECU assembly*2		 Comes on Engine switch on (IG) again
  1. *1: w/ Vacuum Brake Booster
  2. *2: w/o Vacuum Brake Booster
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