Toyota Tundra Service Manual: Problem Symptoms Table



  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in the order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Engine Immobiliser System


Suspected Area


Engine does not start because no initial combustion occurs

Proceed to "Engine does not Start because No Initial Combustion"

Engine does not start but initial combustion occurs

Proceed to "Engine does not Start but Initial Combustion Occurs"

Security indicator light does not blink

Proceed to "Security Indicator Light Does not Blinking"

Key cannot be registered

Proceed to "Key Cannot be Registered"



    See More:

    Toyota Tundra Service Manual > Blind Spot Monitor System: Short to +B in Outer Mirror Indicator(Master) (C1AB0)
    DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a short to +B in the outer rear view mirror indicator RH. DTC No. DTC Detection Condition Trouble Area C1AB0 Both of the following conditions are met: The blind spot monitor system is on The blind spot monitor sensor is not ...

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