Possible causes
– Incorrect Self-Test Procedure
– Unexpected response from the self-test monitors
– RPM out of specification
– Unexpected response from the self-test monitors
– RPM out of specification
When is the obd code mean?
Self test was begun but not completed in the proper time allotted
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1001 FORD OBD Code Description
This non-MIL (Malfunction Indicator Lamp) code is set when the Key On/Engine Running (KOER) self-test does not complete in the time intended.