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DTC U0129: Lost Communication with Brake System Control Module (2016 - 2017): Description

DTC No. DTC Detection Condition Trouble Area
U0129 No communication from the brake booster with master cylinder assembly (skid control ECU) continues.
  • Brake booster with master cylinder assembly (skid control ECU) branch line or connector
  • Power source circuit of brake booster with master cylinder assembly (skid control ECU)
  • Brake booster with master cylinder assembly (skid control ECU) ground circuit
  • Brake booster with master cylinder assembly (skid control ECU)

HINT: 

This diagnosis procedure is for when DTC U0129 is output only by the hybrid vehicle control ECU assembly (Techstream display: Hybrid Control).