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DTC U0129: Lost Communication with Brake System Control Module [08/2015 - ]: Description

DTC No. DTC Detection Condition Trouble Area
U0129 No communication from the 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 diagnostic procedure is for when DTC U0129 is output by the power management control ECU (Techstream display: PM2 Gateway).