W164 rear sam unit

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jaseycas

New Member
Joined
Feb 2, 2015
Messages
1
Car
mercedes ml
Any thought on a WI64 fault code 90b5
The Line from component N10/8 (REAR SAM CONTROL UNIT ) pin F13 to component A72 Rear door locking unit (pin 1.3 has short circuit to positive.

Am I looking at a cable fault from the sam to the door our a faulty Sam.

Rear door make opening noise door showing as open on the screen.

Not a water issue , been down that route before last year, briefly water entered through rear lights car boot full of water large amount worked its way through to front Sam below Drivers seat, and through to passenger seat on the ramp drained of gallons of water. Rear Sam was not effected.
 
The cables can fray, where they pass through the rubber boots, at the tailgate hinge area.
 

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