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Please help, codes 1A2002/1F1B41/194602

Old 03-27-2018, 12:29 PM
  #1  
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Join Date: Mar 2018
Location: miami
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My Ride: E61 535xi
Model Year: 2008
Unhappy Please help, codes 1A2002/1F1B41/194602

Hey guys!
I'm looking for some help. I recently purchased 2013 535i.
Check engine light came on with 1A2002 / 1F1B41 / 194602 codes.
My OBD reader addresses them to "short to ground"
First, I thought it's bad radiator fan (how stupid was that), I got the new one but it was't the case.
Then, I checked signal wire from radiator fan to ECU for shortage to ground, it was the case.
After, I took plug off from ECU, the wire wasn't shorted to ground anymore, so I assumed
the problem is the ECU. I sent it to SIA electronics (assuming that it's shorted inside of the ECU)
and they said that everything is FINE (no water damage, no shortage etc.)

While I'm waiting to get my ECU unit back from SIA, would like to figure out what to do next.

Does anybody had same issue?
Maybe someone has wiring diagram for radiator fan? (like from radiator fan to the ECU)

Thank you
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Old 04-02-2018, 06:04 AM
  #2  
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Join Date: Mar 2018
Location: miami
Posts: 19
My Ride: E61 535xi
Model Year: 2008
Default solved

problem solved.
A little water damage to ECU.
stevee is offline  
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