When a TCU is replaced, TCU activation is required. Refer to TSB for activation details.
Other information:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
C1A27-97
ECD PWR SUPLY CIR
(ECD power supply circuit)
Diagnosis condition
When engine is running
When MAIN switch of ICC system is ON
Signal (terminal)
—
Threshold
ECD system power supply voltage is excessively low
Diagnosis delay time
60 second or more
POSSIBLE CAUSE
ABS actuator and electric unit (control unit) power supply circuit
ABS actuator and electric unit (control unit)
FAIL-SAFEThe following systems are canceled:
Vehicle-to-vehicle distance control mode
Conventional (fixed speed) cruise control mode
Automatic Emergency Braking (AEB) with pedestrian detection
Automatic Emergency Braking (AEB)
Intelligent Forward Collision Warning (I-FCW)
Rear Automatic Braking (RAB)
Confirmation Procedure
CHECK DTC PRIORITY
If DTC “C1A27–97” is displayed with DTC “U1000–01”, “U0415–82” or “U0121–83”, first diagnose the DTC “U1000–01”, “U0415–82” or “U0121–83”...
Removal and Installation
REMOVALRemove front grille. Refer to Removal and Installation.
Disconnect secondary latch cable from hood lock assembly.
Remove bolts and secondary latch.INSTALLATIONInstallation is in the reverse order of removal.CAUTION:
Tighten bolts to specified torque...