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2016 TOYOTA CAMRY

2.5L I4FWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs420Labor479Torque3806Fluid6DTC929Battery1Maintenance0Recalls2
C0401moderate severityChassis

ACC Distance Sensor Circuit

on 2016 Toyota Camry 2.5L I4 · FWD

What this code means

General malfunction in the adaptive cruise control distance sensing radar or lidar unit.

Symptoms

  • ACC system disabled
  • Forward collision alert disabled
  • Cruise control limited to non-adaptive mode
  • Warning message on dash

Common causes

  • Radar/lidar unit failure
  • Sensor blocked by dirt or ice
  • Wiring damage to sensor
  • Control module failure

Diagnostic steps

  1. Clean sensor face (radar cover or camera lens)
  2. Check for obstructions in front of sensor
  3. Test sensor power supply
  4. Inspect wiring and connector
  5. Perform sensor self-test with scan tool

Repair notes

Clean sensor area first. Replace radar/lidar unit if internal failure.

Other Chassis codes on this vehicle

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