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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 859 (Engine Controls - Powertrain DTC Charts And Descriptions - (Hybrid)) >> DTC Diagnosis >> P1001 - Key On Engine Running (KOER) Not Able To Complete, KOER Aborted

P1001 - Key On Engine Running (KOER) Not Able To Complete, KOER Aborted

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P1001 - KEY ON ENGINE RUNNING (KOER) NOT ABLE TO COMPLETE, KOER ABORTED

Description:  This non-malfunction indicator lamp (MIL) DTC is set when the KOER self-test does not complete in the time intended.
Possible Causes: 
  • Incorrect self-test procedure
  • Unexpected response from the self-test monitors
  • RPM out of specification
Diagnostic Aids:  Carry out the key on engine off (KOEO) self-test. Refer to the SYMPTOM CHARTS article, Step 1: Powertrain Control Module (PCM) / Transaxle Control Module (TCM) Quick Test.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   - refer to PINPOINT TEST QA . -