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i got a code on my scan tool that says there is a

Sent to Car Experts May 18 06:37 PM

i got a code on my scan tool that says there is a problem between my radiator relay1 and fan saying there is a short how do i fix it?

 

Optional Information:
2000 Pontiac grandam 4.3

Already Tried:
radiator flush and thermostat

Customer (name blocked for privacy)
Status:  Closed   Value: $10
Info Request
May 18 7:17 PM (40 minutes and 47 seconds later)
         
REPLIED to Info RequestCheck Mark
What is the exact code number?

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Hammer Time -- L1 Master Technician -- 98% Positive Feedback on 2716 Car Accepts
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Reply
May 18 9:46 PM (2 hours and 28 minutes and 36 seconds later)
         
Reply to Hammer Time's Post: i dont remeber the code all it said was here was a short between realy#1 and fan#1 . could the short becoming from the relay box itself?
Customer (name blocked for privacy)
Info Request
May 18 10:00 PM (13 minutes and 38 seconds later)
         
REPLIED to Info RequestCheck Mark
I have to have the code number.

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Hammer Time -- L1 Master Technician -- 98% Positive Feedback on 2716 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
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May 18 10:33 PM (33 minutes and 20 seconds later)
         
Reply to Hammer Time's Post: i believe it was either po480 or 481
Customer (name blocked for privacy)
Answer
May 19 5:20 AM (6 hours and 46 minutes and 33 seconds later)
         
ACCEPTEDCheck Mark

Those codes indicate a "control circuit malfunction"

That says nothing about a short. It indicates that the relay is not responding to the PCM commands. The 2 codes are for different fan circuits for fan 1 or fan 2 so it's still important to get the exact code to check the right circuit.

The problem will be on the trigger side of the relay and could even be a fuse or bad relay.



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Hammer Time -- L1 Master Technician -- 98% Positive Feedback on 2716 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
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