SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSACURA2015TLX BASE, 2.4L ENGREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLVSA SYSTEM - DIAGNOSTICS (1 OF 2)VSA DTC ADVANCED DIAGNOSTICSDTC ADVANCED DIAGNOSTICS: VSA RELATED DTCS (2018-19)DTC U0100-00: CAN COMMUNICATION FAILURE WITH ECM/ISU
2015 Acura TLX Base, 2.4L Eng

DTC U0100-00: CAN Communication Failure with ECM/ISU

2015 Acura TLX Base, 2.4L EngSECTION DTC U0100-00: CAN Communication Failure with ECM/ISU
Confirmation Procedure Basic Condition:
  • 12 volt battery voltage 9.6 - 16.5 V

With the Driving Pattern:

  • 1.

    Start the engine.

  • 2.

    Test-drive the vehicle at 6 mph (10 km/h) or more.
Execution Regular Diagnosis
Duration About 1 second
DTC Type
  • 1 drive cycle
  • Brake system indicator (amber) on (Dependent upon the conditions)
  • VSA indicator on (Dependent upon the conditions)
Fail Safe Action
  • Degrade ABS performance (Dependent upon the conditions)
  • Stop engine drag torque control function (Dependent upon the conditions)
  • Stop starting assist brake function (Dependent upon the conditions)
  • Stop TCS function or fade out (Dependent upon the conditions)
  • Stop VSA function (Dependent upon the conditions)
  • Stop brake assist function (Dependent upon the conditions)
  • Stop hill start assist function (Dependent upon the conditions)
  • Stop agile handling assist function (Dependent upon the conditions)
  • Stop parking cooperation assist function (Dependent upon the conditions)
  • Stop automatic brake hold function (Fade out) (Dependent upon the conditions)
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 PCM (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, F-CAN B_H, F-CAN B_L lines)* 2
  • Open or Poor connection between the CAN gateway and the PCM (F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L lines)* 2
  • PCM internal failure
  • VSA modulator-control unit internal failure

*1: L4 engine

*2: V6 engine

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.