METER / GAUGE SYSTEM, Diagnostic DTC:U0100, U0103, U0129, U0131, U0142, U0151, U0163, U023A, U1104

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0103 Lost Communication with Gear Shift Module "A"
U0129 Lost Communication with Skid Control ECU
U0131 Lost Communication with Power Steering Control Module
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Airbag ECU
U0163 Lost Communication with Navigation Control Module
U023A Lost Communication with Front Camera Module
U1104 Lost Communication with Driving Support ECU

DESCRIPTION

The combination meter assembly communicates with the ECM, power management control ECU, transmission control ECU assembly, brake booster with master cylinder assembly (skid control ECU), power steering ECU assembly, main body ECU (multiplex network body ECU), airbag sensor assembly, radio receiver assembly*1, forward recognition camera*2 and driving support ECU assembly*2 via the CAN communication system.


DTC No. DTC Detection Condition Trouble Area
U0100

When IG voltage is 9.5 V or more and the following condition is detected:


  • No communication with ECM continues for 2 seconds or more

  • No communication with power management control ECU continues for 3 seconds or more

  • ECM

  • Power management control ECU

  • CAN communication system

  • Combination meter assembly
U0103

When the power switch is on (IG) and the following condition is detected:


  • No communication with transmission control ECU assembly continues for 3 seconds or more

  • Transmission control ECU assembly

  • CAN communication system

  • Combination meter assembly
U0129

When IG voltage is 9.5 V or more and the following condition is detected:


  • No communication with brake booster with master cylinder assembly (skid control ECU) continues for 3 seconds or more

  • Brake booster with master cylinder assembly (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:


  • 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:


  • No communication with main body ECU (multiplex network body ECU) continues for 3 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:


  • 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:


  • No communication with radio receiver assembly continues for 3 seconds or more

  • Radio 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:


  • No communication with forward recognition camera continues for 10 seconds or more

  • Forward recognition camera

  • CAN communication system

  • Combination meter assembly
U1104*2

When IG voltage is 9.5 V or more and the following condition is detected:


  • No communication with driving support ECU assembly continues for 10 seconds or more

  • Driving support ECU assembly

  • CAN communication system

  • Combination meter assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs are output.

      Click here


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    GO TO CAN COMMUNICATION SYSTEM Click here