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KOEO Code 15?

   
Old Sep 7, 2004 | 05:20 PM
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jclopezv
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From: Stamford, CT
KOEO Code 15?
Hi, I am getting Code 15 KOEO; It means: "Read Only Memory Test failed".
What can I do?
 
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Old Sep 8, 2004 | 11:54 AM
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87 XLT
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From: SoCal
On my 87 Ranger the yellow wire at the EEC power relay supplies voltage to the ECA 24/7 It might be open.
 
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Old Sep 9, 2004 | 07:53 PM
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From: South Jersey
A code 15 will be set if you disconnect power to the ECU, clear the code per the procedure and see if it comes back. If it does check for B+ at ECU pins 1 and 40 or 60, if thats OK there's a ECU problem.
 
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