Toyota CH-R Service Manual: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198)

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198)

DESCRIPTION

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0073	Sending Malfunction (Navigation to APGS)	CAN bus connection error	CAN communication system
U0100	Engine ECU Communication	CAN reception error	CAN communication system
U0129	VSC(ECB)ECU Communication	CAN reception error	CAN communication system
U0140	Lost Communication with Body Control Module	CAN reception error	CAN communication system
U0155	Meter ECU Communication	CAN reception error	CAN communication system
U0164	Air Conditioner ECU Communication	CAN reception error	CAN communication system
U0198	Lost Communication with Telematic Control Module	CAN reception error	CAN communication system

PROCEDURE

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

GO TO CAN COMMUNICATION SYSTEM

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Toyota CH-R Service Manual: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198)

XM Tuner Antenna Disconnected (B15FE,B15FF)

Speaker Output Short (B15C3)

Other materials:

Toyota C-HR (AX20) 2023-2025 Owner's Manual

Toyota CH-R Owners Manual

Toyota CH-R Service Manual