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Home >> Toyota >> 2015 >> Camry LE >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge / Display (Diagnostic Codes & Symptom Tests) (Except Hybrid) >> Meter / Gauge System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Skid Control ECU; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Airbag ECU; DTC U0163: Lost Communication with Navigation Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [09/2014 - ] >> Description

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Skid Control ECU; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Airbag ECU; DTC U0163: Lost Communication with Navigation Control Module; DTC U023A: Lost Communication with Front Camera Module; DTC U1104: Lost Communication with Driving Support ECU [09/2014 - ]: Description

The combination meter assembly communicates with the ECM, skid control ECU, power steering ECU assembly, main body ECU (multiplex network body ECU), airbag sensor assembly, navigation receiver assembly*1, lane departure warning camera*2 and driving support ECU assembly*3 via CAN communication.

DTC No. DTC Detection Condition Trouble Area
U0100 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with ECM continues for 2 seconds or more
  • ECM
  • CAN communication system
  • Combination meter assembly
U0129 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with skid control ECU continues for 2 seconds or more
  • Skid control ECU
  • CAN communication system
  • Combination meter assembly
U0131 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with power steering ECU assembly continues for 3 seconds or more
  • Power steering ECU assembly
  • CAN communication system
  • Combination meter assembly
U0142 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with main body ECU (multiplex network body ECU) continues for 10 seconds or more
  • Main body ECU (Multiplex network body ECU)
  • CAN communication system
  • Combination meter assembly
U0151 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with airbag sensor assembly continues for 10 seconds or more
  • Airbag sensor assembly
  • CAN communication system
  • Combination meter assembly
U0163*1 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with navigation receiver assembly continues for 3 seconds or more
  • Navigation receiver assembly
  • CAN communication system
  • Combination meter assembly
U023A*2 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with lane departure warning camera continues for 10 seconds or more
  • Lane departure warning camera
  • CAN communication system
  • Combination meter assembly
U1104*3 When IG voltage is 9.5 V or more and the following condition is detected:
  1. No communication with driving support ECU assembly continues for 10 seconds or more
  • Driving support ECU assembly
  • CAN communication system
  • Combination meter assembly
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