DTC U0126-00: CAN Communication Failure with Absolute Steering Wheel Angle Sensor

2015 Acura TLX Base, 2.4L EngSECTION DTC U0126-00: CAN Communication Failure with Absolute Steering Wheel Angle Sensor
Confirmation Procedure Basic Condition:
  • 12 volt battery voltage 9.6 - 16.5 V

With the Driving Pattern:

  • 1.

    Start the engine.

Execution Regular Diagnosis
Duration About 1 second
DTC Type
  • 1 drive cycle
  • Brake system indicator (amber) on
  • VSA indicator on
Fail Safe Action
  • Degrade ABS performance
  • Stop engine drag torque control function
  • Stop starting assist brake function
  • Stop TCS function (Fade out)
  • Stop VSA function
  • Stop hill start assist function
  • Stop agile handling assist function
  • Stop automatic brake hold function (Fade out)
Possible Cause
  • Open or Poor connection between the VSA modulator-control unit and the CAN gateway (F-CAN_H, F-CAN_L lines)* 1
  • Open or Poor connection between the CAN gateway and the steering angle sensor (F-CAN_H, F-CAN_L lines)* 1
  • Open or Poor connection between the VSA modulator-control unit and the CAN gateway (F-CAN A_H, F-CAN A_L lines)* 2
  • Open or Poor connection between the CAN gateway and the steering angle sensor (F-CAN A_H, F-CAN A_L lines)* 2
  • Open or Poor connection between the steering angle sensor and the under-dash fuse/relay box (IG1 VSA/ABS line) *3
  • Open or Poor connection between the steering angle sensor and the under-dash sub fuse/relay box B (IG1 VSA (DC) line) *4
  • Open or Poor connection between the steering angle sensor and body ground (GND line)
  • Steering angle sensor internal failure
  • VSA modulator-control unit internal failure

*1: L4 engine

*2: V6 engine

*3: 2WD

*4: 4WD

RENDER: 1.0x

NO RELATED

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