DESCRIPTION The following DTCs are stored when a malfunction occurs in the skid control ECU (brake actuator assembly).
CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (brake actuator assembly), operate the electric parking brake switch (electric parking brake switch assembly) as the parking brake indicator light (red) blinks when the engine switch is first turned on (IG). PROCEDURE
(a) Replace the skid control ECU (brake actuator assembly). Click here
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Toyota Avalon Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): ECM Communication Circuit (C1203)
DESCRIPTION DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL Note C1203 ECM Communication Circuit 1161 Either of the following is detected: Identification information sent from other ECUs does not match with the value stored when shipped from the factory. Identification infor ...