Lexus LX - Page 103

DTC C15B1/71 ECU Malfunction
DTC C15B2/72 ECU Malfunction
DTC C15B3/73 ECU Malfunction
for Preparation Click here
DESCRIPTION
If the steering control ECU detects an internal malfunction, it will turn the master warning light on, store these DTCs, and stop VGRS operation.
DTC Code DTC Detection Condition Trouble Area
C15B1/71 The steering control ECU detects an internal malfunction. Steering control ECU
C15B2/72 The steering control ECU detects an internal malfunction. Steering control ECU
C15B3/73 The steering control ECU detects an internal temperature error. Steering control ECU
INSPECTION PROCEDURE
1.REPLACE STEERING CONTROL ECU
a. Replace the steering control ECU ( Click here for LHD, Click here for RHD).
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