U300C FORD - Ignition Input Off/On/Start

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Ignition Input Off/On/Start (ISP-R) harness is open or shorted
  • Ignition Input Off/On/Start (ISP-R) circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

U300c Ford Description

The Powertrain Control Module (PCM) monitors the ignition key state. The U300C code sets when the key state is not available.
OBDII Code U300c Ford - Ignition Input Off/On/Start - AutoCodes.com

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U300C FORD Comments

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