PRE-CRASH SAFETY SYSTEM FAIL-SAFE CHART

Tech Tips

The pre-crash safety system fail-safe function and details are indicated in the table below.

Warning Message Cause Conditions to Return to Normal Condition
Pre-crash Safety Malfunction Visit Your Dealer Pre-crash safety system malfunction DTC No. -
C1A01 After system returns to normal, engine switch is turned off and then on (IG)
C1A02 System returns to normal
C1A0A System returns to normal
C1A10 After system returns to normal, engine switch is turned off and then on (IG)
C1A11 After system returns to normal, engine switch is turned off and then on (IG)
C1A14 System returns to normal
C1A46 After system returns to normal, engine switch is turned off and then on (IG)
C1A47 After system returns to normal, engine switch is turned off and then on (IG)
C1A4A System returns to normal
C1A4B System returns to normal
C1A50 System returns to normal
C1AA0 After system returns to normal, engine switch is turned off and then on (IG)
C1AA8 After system returns to normal, engine switch is turned off and then on (IG)
C1AA9 After system returns to normal, engine switch is turned off and then on (IG)
C1AAE*1 After system returns to normal, engine switch is turned off and then on (IG)
U0100 System returns to normal
U0125 System returns to normal
U0126 System returns to normal
U0129 System returns to normal
U0235 System returns to normal
U023A System returns to normal
U1104 System returns to normal
Pre-crash Safety Unavailable

  • Millimeter wave radar sensor assembly misaligned

  • Millimeter wave radar sensor assembly temperature malfunction

  • Millimeter wave radar sensor assembly low voltage malfunction

  • Millimeter wave radar sensor assembly is aligned

  • Millimeter wave radar sensor temperature returns to normal

  • Millimeter wave radar sensor voltage returns to normal
Pre-crash Safety Unavailable Clean Sensor Foreign matter attached to millimeter wave radar sensor assembly Millimeter wave radar sensor assembly is cleaned
Forward Camera Systems Unavailable Clean Windshield Foreign matter attached to forward recognition camera or area of windshield in front of forward recognition camera Forward recognition camera or area of windshield glass in front of forward recognition camera is cleaned
Forward Camera System Unavailable

Forward recognition camera temporarily malfunctioning


  • Abnormal forward recognition camera voltage

  • Forward recognition camera temperature outside of operational range

  • Other forward recognition camera malfunction

  • Forward recognition camera temperature returns to normal

  • Forward recognition camera voltage returns to normal

  • Forward recognition camera returns to normal

*1: w/ Forward Recognition with Heater Hood Sub-assembly