Thread: P0690
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Old 02-27-2023, 04:44 PM   #8
Mouse330
 
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Drives: 2011 2SS, 2006 GMC Sierra
Join Date: Jul 2019
Location: MA
Posts: 316
K26 is the PWR/TRN relay, Remove this relay and find a relay with the same part number in the underhood fuse box. I think K55 Rear Defrost is the same relay, You obviously want to pull a relay that's not detrimental to the running of the engine. Switch them, clear the code and run the car and see if it solve the issue. If it does replace the PWR/TRN relay.
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