Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Toyota Tundra Service Manual / Power Source, Network / Can Communication / Can Communication System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

CAN Communication System

DTC No.	Detection Item	DTC Output from
B1003	ECU Malfunction	Central gateway ECU (network gateway ECU)
U0199	Lost Communication with "Door Control Module A"	Main body ECU (multiplex network body ECU)
U0200	Lost Communication with "Door Control Module B"	Main body ECU (multiplex network body ECU)
U0208	Lost Communication with "Seat Control Module A"	Main body ECU (multiplex network body ECU)
U1002	Lost Communication with Gateway Module	Main body ECU (multiplex network body ECU)
U1115	Lost Communication with Tilt and Telescopic Module	Main body ECU (multiplex network body ECU)

See More:

Toyota Tundra Service Manual > Can Communication System: Check Bus 2 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU ...

Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Diagnosis System

Dtc Check / Clear

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Toyota Tundra Owners Manual

Toyota Tundra Service Manual