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Home >> Scion >> 2013 >> iQ Base >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge / Display (Diagnostic Codes & Symptom Tests) (Except Electric) >> Meter / Gauge System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0151: Lost Communication with Airbag ECU >> Description

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0151: Lost Communication with Airbag ECU: Description

The combination meter communicates with the ECM, skid control ECU, power steering ECU, main body ECU and center airbag sensor via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 ECM communication error
  • CAN communication system
  • ECM
U0129 Skid control ECU communication error
  • CAN communication system
  • Brake actuator assembly (skid control ECU)
U0131 Power steering ECU communication error
  • CAN communication system
  • Power steering ECU
U0151 Center airbag sensor communication error
  • CAN communication system
  • Center airbag sensor assembly
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