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BCM harness issues

Old May 27, 2026 | 02:31 PM
  #11  
kmdakota1's Avatar
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From: PA
Oh, one other thing, saw a history code thar the rear washer pump circuit is either open or short to ground. I forget the code, will pull it up later. I don't use the rear washer anyways so bot thar worried about it. I'm sure that's bcm related though.
Old May 27, 2026 | 02:58 PM
  #12  
kmdakota1's Avatar
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code for rear washer relay circuit is B3811-06. From the manual, it looks like pins 9, 59, 64 control that circuit.
Old May 27, 2026 | 04:33 PM
  #13  
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The ECM is under the hood, the BCM is under the radio on the passenger side footwell.
History codes don't mean anything, forget you saw it. It means that some time in the past the pump was disconnected while the key was on.
The rear window washer is just reversing the pump motor.
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