Toyota Venza: Diagnostic Trouble Code Chart

Toyota Venza Service Manual / Mf1a Transfer / 4wd / Awd / Active Torque Control 4wd System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

ACTIVE TORQUE CONTROL 4WD SYSTEM

DTC Code	Detection Item	Trouble Area
C1241/94	Low Power Supply Voltage	1. Battery 2. ECU-IG1 fuse 3. Wire harness and connector (IG1 circuit, GND circuit) 4. Brake control system 5. CAN communication system 6. AWD control ECU
C1245/93	Malfunction in Deceleration Sensor	1. Brake control system (deceleration sensor circuit) 2. CAN communication system 3. AWD control ECU
C1280/82	Engine Circuit Malfunction	1. SFI system 2. AWD control ECU
C1296/96	ABS Malfunction	1. Brake control system (speed sensor circuit) 2. CAN communication system 3. AWD control ECU
C1298/98	Linear Solenoid Circuit	1. 4WD fuse 2. Wire harness and connector 3. Electromagnetic control coupling 4. AWD control ECU
C1299/99	Cancellation of 4WD Control	1. Tire size 2. AWD control ECU
U0073/86	Control Module Communication Bus OFF	1. CAN communication system
U0100/85	Lost Communication with ECM / PCM "A"	1. CAN communication system
U0129/83	Lost Communication with Brake System Control Module	1. CAN communication system

Fail-safe Chart

FAIL-SAFE CHART 1. FAIL-SAFE FUNCTION If the following malfunctions occur, the AWD control ECU will stop the function of 4WD control system or partly change the function to control th ...

Low Power Supply Voltage (C1241/94)

DESCRIPTION If a malfunction in the power source circuit occurs, or a malfunction in communication with the skid control ECU or in a speed sensor occurs, the AWD control ECU will prohibit operati ...

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