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

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P1001 - KEY ON ENGINE RUNNING (KOER) NOT ABLE TO COMPLETE, KOER ABORTED

Description:  This non-malfunction indicator lamp (MIL) code 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 KOEO self-test. Refer to STEP 1: POWERTRAIN CONTROL MODULE (PCM) QUICK TEST .
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.
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