Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Toyota Tundra Service Manual / Vehicle Interior / Air Conditioning / Air Conditioning System(for Manual Air Conditioning 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.

Air conditioning system

DTC Code

Detection Item

See page

B1412/12

Ambient Temperature Sensor Circuit

B1413/13

Evaporator Temperature Sensor Circuit

B1422/22

Compressor Lock Sensor Circuit

B1423/23

Pressure Sensor Circuit

B1441/41

Air Mix Damper Control Servo Motor Circuit (Passenger Side)

B1442/42

Air Inlet Damper Control Servo Motor Circuit

B1443/43

Air Outlet Damper Control Servo Motor Circuit

B1497/97

BUS IC Communication Malfunction

B1499/99

Multiplex Communication Circuit

    Data List / Active Test

    Dtc Check / Clear

    See More:

    Toyota Tundra Service Manual > Tire Pressure Warning System: Operation Check
    OPERATION CHECK CHECK TIRE PRESSURE WARNING SYSTEM FUNCTION (a) Using the Data List, check that the current tire pressure is normal. Click here (1) Slowly reduce the tire pressure of the front or rear tires and check that the tire pressure on the Data List changes. HINT: For this vehicle, data recep ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0336