Carry Out Quick Test
WARNING: This page is about a different car, the 2011 Ford F550 Super Duty and 2011 Ford F450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If equipped, turn the Power Take-Off (PTO) unit off to make sure test results are correct. For a description of PTO
operation, refer to TRANSMISSION ELECTRONIC CONTROL SYSTEM in this service information. The PCM self-test is not accessible when the PTO
is in operation.
After a road test, with the engine and transmission at normal operating temperature and before disconnecting any connectors, use the scan tool to perform the self-test procedure. Refer to the INTRODUCTION article for diagnosis and testing of the PCM.