Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Toyota Tundra Service Manual / Power Source, Network / Multiplex Communication / Lin 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.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
LIN Communication System

DTC Code

Detection Item

See page

B1206

P/W Master Switch Communication Stop

B1273

Sliding Roof ECU Communication Stop

B2321

Driver Side Door ECU Communication Stop

B2322

Front Passenger Side Door ECU Communication Stop

B2325

LIN Communication Bus Malfunction

    Data List / Active Test

    Dtc Check / Clear

    See More:

    Toyota Tundra Service Manual > Can Communication System: Open in Bus 4 Main Bus Line
    DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ...

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