Some 2003-2009 Toyota 4Runner vehicles may exhibit a condition where the HVAC control panel illumination is dim, flickering or intermittently inoperative. A newly designed light bulb has been made available to resolve this concern

This TSB applies to vehicles produced before the production change effective VINs listed here:

2WD (1GR-FE)

-          JTEZU14R*9K024732

-          JTEZU17R*9K024733

2WD (2UZ-FE)

-          JTEZT17R*9K001651

-          JTEZT14R*9K001653

4WD (1GR-FE)

-          JTEBU17R*9K038302

-          JTEBU14R*9K038305

 4WD (2UZ-FE)

-          JTEBT17R*9K006867

-          JTEBT14R*9K006870

The new light bulb is available as P/N 90010-09017.

  1. Confirm the concern.
  2. Remove the air conditioning control assembly.
  3. Replace the 2 light bulbs for the HVAC control panel illumination circuit. Using a small flat-blade screwdriver, turn the light bulbs counterclockwise to remove and clockwise to install/tighten.
  4. The HVAC illumination panel may be dim, flickering or inoperative.

    The HVAC illumination panel may be dim, flickering or inoperative.

  5. Reinstall the air conditioning control assembly and confirm the repair.
Rear view of the control panel assembly. Note the location of the two light bulbs.

Rear view of the control panel assembly. Note the location of the two light bulbs.

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