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Re: Passenger side slide door will not open or unlock
Remove inside door panel and check for detached door handle linkage. if side door is suppose to automatically or electronically controled clean solenoid contacts
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Here are the codes you posted along with the possible issues that may have caused each code to be triggered. It's possible the circuit these switches share has a problem that needs to be diagnosed.
It could well be a problem with the wiring or a problem with the connections between the switches and the Multiplex Control Unit, or possibly with the Multiplex Control Unit itself.
B1129
Driver Side Door Lock Knob Switch Signal Error
Faulty Driver Side Door Lock Knob Switch
Driver Side Door Lock Knob Switch harness is open or shorted
Driver Side Door Lock Knob Switch circuit poor electrical connection
Faulty Door Multiplex Control Unit
B2077
Right Power Sliding Door Remote Control Switch 1 Signal Error
Faulty Right Power Sliding Door Remote Control Switch 1
Right Power Sliding Door Remote Control Switch 1 harness is open or shorted
Right Power Sliding Door Remote Control Switch 1 circuit poor electrical connection
Faulty Right Power Sliding Door Control Unit
B2078
Right Power Sliding Door Remote Control Switch 2 Signal Error
Faulty Right Power Sliding Door Remote Control Switch 2
Right Power Sliding Door Remote Control Switch 2 harness is open or shorted
Right Power Sliding Door Remote Control Switch 2 circuit poor electrical connection Faulty Right Power Sliding Door Control Unit
B2079
Right Power Sliding Door Remote Control Switch 3 Signal Error
Faulty Right Power Sliding Door Remote Control Switch 3
Right Power Sliding Door Remote Control Switch 3 harness is open or shorted
Right Power Sliding Door Remote Control Switch 3 circuit poor electrical connection
U will have to take the inside door cover off and manualy open it. And replace the electric door locking switch. Very common problem. Get the new lock and latch assembly from dealer,
If it´s the passenger side where the gas tank fill is, there is a automatic safety device that locks the sliding door, that prevents to open the door while filling gas, be sure that the folding cover of the gas tank is fully closed and nothing is jammed inside
open the front door...
now you have to push the locking rod towards the rear so you can open the sliding door from the inside
just follow the B pillar down and use the passenger side as reference of that black rod
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