DESCRIPTION The skid control ECU (brake actuator assembly) stores this DTC when the previously learned values in the VSC system and engine information sent from the ECM are inconsistent, or when the learning has not completed after the skid control ECU (brake actuator assembly) is replaced with a new one.
PROCEDURE
(a) Check if CAN communication system DTCs are output. Click here
(a) Perform system variant learning. Click here HINT:
(a) Clear the DTCs. Chassis > ABS/VSC/TRAC/EPB > Clear DTCs(b) Turn the engine switch off. (c) Start the engine. (d) Check if the same DTC is output. Chassis > ABS/VSC/TRAC/EPB > Trouble Codes
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Toyota Avalon Service & Repair Manual > Safety Connect System(for Hv Model): Telephone Microphone Error (B1572)
DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects a malfunction in the telephone microphone assembly circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B1572 Telephone Microphone Error Current of MCVD reaches malfunction criteria for 10 seconds while power s ...