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Home >> Scion >> 2014 >> iQ EV >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge / Display (Diagnostics & Symptom Tests) (Electric) >> Meter / Gauge System >> DTC U0100: Lost Communication with EV ECU; 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 EV ECU; 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 power management control ECU, brake booster with master cylinder assembly (skid control ECU), steering column assembly (power steering ECU assembly), and airbag ECU assembly via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 Power management control ECU communication error
  • CAN communication system
  • Power management control ECU
U0129 Brake booster with master cylinder assembly (skid control ECU) communication error
  • CAN communication system
  • Brake booster with master cylinder assembly (skid control ECU)
U0131 Power steering ECU communication error
  • CAN communication system
  • Steering column assembly (power steering ECU assembly)
U0151 Center airbag ECU assembly communication error
  • CAN communication system
  • Airbag ECU assembly
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