P2072-ELECTRONIC THROTTLE CONTROL SYSTEM - ICE BLOCKAGE

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    Ignition on.

  • Set Condition:

    The PCM recognizes the Throttle plate is stuck during extremely cold Ambient Temperature operation. The throttle plate goes through a de-icing procedure. If the throttle blade still doesn't move this fault sets. The MIL will not illuminate. The vehicle will be in Limp home condition, limiting rpm and vehicle speed.


Possible Causes
 
THROTTLE PLATE FROZEN
 




Diagnostic Test

1.THROTTLE BODY INSPECTION



NOTE: This DTC sets in extreme cold Ambient Temperatures with the throttle plate stuck by the time the vehicle gets to the dealership the condition may be corrected.


NOTE: Diagnose any other DTCs that may also be set before continuing.






Is the throttle blade still stuck because it is frozen?

Yes


No
  • Test Complete.