Toyota Tundra Service Manual: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

DTC Code

DTC Detection Condition

Trouble Area

U0073

CAN bus connection error

CAN communication system

U0100

CAN reception error

U0129

CAN reception error

U0140

CAN reception error

U0155

CAN reception error

U0164

CAN reception error

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs (See page ).

(b) Recheck for DTCs and check that no DTCs are output (See page ).

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM

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    See More:

    Toyota Tundra Service Manual > Can Communication System: Open in Bus 1 Main Bus Line
    DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ...

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