DTC C111A[01] Parking Aid Rear Inner Right Sonar Sensor - Communication Impossible (Parking Aid)

1. DTC C111A[01] description

The rear bumper and front bumper (models with front sonar sensors) have 4 sonar sensors each. The sonar sensors measure the distance from an obstacle and send it to the parking aid system control unit. The parking aid system control unit determines the distance from an obstacle based on the signals received from the sonar sensors. If the parking aid system control unit detects a malfunction in the rear inner right sonar sensor signal circuit, the DTC is set.

2. Condition for setting DTC C111A[01]

Condition for running the DTC

  • The ignition switch is ON.
  • The shift lever is in the R position.
  • DTCs C1117[11], C111A[11], and C111A[12] are not set.

Refer to "75.Driver Assistance System 10W.Troubleshooting(Parking Aid) DTC C1117[11] Parking Aid Rear Sensor Internal Supply - Circuit Short to Ground".

Refer to "75.Driver Assistance System 10W.Troubleshooting(Parking Aid) DTC C111A[11] Parking Aid Rear Inner Right Sonar Sensor - Circuit Short to Ground".

Refer to "75.Driver Assistance System 10W.Troubleshooting(Parking Aid) DTC C111A[12] Parking Aid Rear Inner Right Sonar Sensor - Circuit Short to Battery".

Condition for setting the DTC

  • The parking aid system control unit detects an open circuit in the rear inner right sonar sensor signal circuit for 1 second or more.

3. Action taken when DTC C111A[01] sets

  • The obstacle detection function is deactivated.
  • The master warning light illuminates.
  • The parking aid system OFF indicator light illuminates.
  • Current and past failures are set.
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