Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Honda >> 2016 >> Civic EX >> Repair and Diagnosis >> Brakes >> Traction Control >> VSA System - Advanced Diagnostics >> DTC Advanced Diagnostics >> VSA related DTCs (VSA Control Unit) >> DTC C0030-38: Magnetic Encoder (Left Front) Failure (Pulse Missing)

DTC C0030-38: Magnetic Encoder (Left Front) Failure (Pulse Missing)

Confirmation Procedure Basic Condition:
  • 12 volt battery voltage 8.5 V or more

Operating Condition:

  • Start the engine.
  • Test-drive the vehicle at 19 mph (30 km/h) or more for at least 30 seconds.

    (Drive the vehicle on the road, not on a lift. Be careful of the surrounding traffic conditions.)

Execution Regular Diagnosis
Duration About 20 seconds (Depending on vehicle speed)
DTC Type
  • 1 drive cycle
  • Brake system indicator (red) on (If multiple wheel failures are detected)
  • Brake system indicator (amber) on
  • ABS indicator on
  • VSA indicator on
Fail Safe Action
  • Stop ABS function
  • Stop EBD function (If multiple failure wheel failures are detected)
  • Stop brake assist function
  • Stop TCS function
  • Stop VSA function
  • Stop engine drag torque control function
  • Stop hill start assist function
  • Stop agile handling assist function
  • Stop automatic brake hold function
  • Stop driving support system's brake function
  • Stop emergency brake function
Possible Cause
  • Debris on the left-front wheel bearing (magnetic encoder) surface
  • VSA modulator-control unit internal failure