GEAR AS 2239137 - Caterpillar

Which Generate This Code:The ECM detects all of the following condition:
The engine has been running for more than three minutes.
The air inlet temperature is greater than 86 °C (187 °F) for more than 4 seconds.
172-03 Intake Manifold Air Temp open/short to +batt is not active.
172-04 Intake Manifold Air Temp short to ground is not active.System Response:A warning is displayed on the MIDS display. The shut down output is activated.
Low power
The engine is shut down.
There may be a problem with the aftercooler.
There may be a problem with the air inlet temperature sensor.Test Step 1. Check for Diagnostic Codes.
Connect ET to the service tool connector.
Turn the keyswitch to the ON position. The engine should be off.
Check for any active diagnostic codes or logged diagnostic codes.Expected Result:There should be no diagnostic codes that are present.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual.Ensure that the repair eliminates the problem. Stop.Test Step 2. Perform a Check of the Aftercooler.
Perform a check of the aftercooler. Refer to the appropriate topic in Testing and Adjusting for possible causes.Expected Result:There are no problems with the aftercooler.Results:
OK - There may be an intermittent problem.Repair: Monitor the operation of the engine.Repair the problem.Ensure that the repair eliminates the problem. Stop.
Not OK - Repair: Repair the problem.Ensure that the repair eliminates the problem. Stop.