DESCRIPTION The skid control ECU (brake actuator assembly) stores this DTC if malfunctions are found in a circuit inside the ECU by self diagnosis.
CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration. Click here
PROCEDURE
(a) Replace the skid control ECU (brake actuator assembly). Click here HINT: This DTC is output when the skid control ECU (brake actuator assembly) detects a malfunction in an internal circuit.
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Toyota Tundra Service Manual > Navigation System: Extension Module Malfunction (B1552,B158A,B15BA)
DESCRIPTION These DTCs are stored when a malfunction occurs in the extension module. DTC Code DTC Detection Condition Trouble Area B1552 Internal malfunction of the extension module Stereo component tuner assembly B158A Screen noise adjustment fails B15BA When either of the conditions below is met: ...
