Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Dynamic Radar Cruise Control System

DTC No.	Detection Item	Link
C1A02	Vehicle Information Not Obtained
C1A10	Front Radar Sensor
C1A11	Front Radar Sensor Incorrect Axial Gap
C1A14	Front Radar Sensor Beam Axis Not Adjusted
C1A4A	Skid Control Buzzer Circuit
C1A52	Radar Cruise Control Presence Determination Malfunction (Engine / HV)
P0571	Brake Switch "A" Circuit
P0575	Cruise Control Input Circuit
P1578	Brake System
P1630	Communication Error from VSC to ECM
P1631	Communication Error from ECM to VSC
U0100	Lost Communication with ECM / PCM "A"
U0104	Lost Communication with Cruise Control Module
U0122	Lost Communication with Vehicle Dynamics Control Module
U0125	Lost Communication with Yaw Rate Sensor Module
U0126	Lost Communication with Steering Angle Sensor Module
U0129	Lost Communication with Brake System Control Module
U0137	Lost Communication with Trailer Brake Control Module

Toyota Tundra Service Manual > Air Conditioning System(for Manual Air Conditioning System): Blower Motor Circuit
DESCRIPTION The blower motor is operated by signals from the air conditioning amplifier. Blower motor speed signals are transmitted by changes in the duty ratio. Duty Ratio: The duty ratio is the ratio of the blower motor OFF time (B) to the total of the blower motor ON and OFF time (A + B). The blo ...

Toyota Tundra Owners Manual