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post #1 of 6 Old 08-26-2014, 09:55 PM Thread Starter
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Transmission issues

Throwing code 1776 on my 2008 JKU auto. Comes up as bad solniod switch valve. After about a minute jeep goes into limp mode not shifting out of 2nd gear. Anyone else have this problem or fixed it on your own?

2008 steel blue sahara
with some doo-dads
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post #2 of 6 Old 08-27-2014, 05:09 AM
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http://s112.photobucket.com/user/Bil...tml?sort=3&o=0

might be of use....

i think you're lookin at this procedure....

http://www.jeepsunlimited.com/forums...-Solenoid-42re


even though thats an LJ/TJ it is applicable....


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post #3 of 6 Old 08-27-2014, 06:47 AM
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Are there any other codes present?

P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION

Theory of Operation


The Solenoid Switch Valve, an internal, hydraulically operated valve, controls the direction of the transmission fluid when the L/R solenoid is energized. When the solenoid switch valve is in the downshifted position and the L/R solenoid is energized, fluid is directed to the L/R element for 1st gear. When the solenoid switch valve is In the up-shifted position (2nd, 3rd, and 4th gear) and the L/R solenoid is energized, fluid is directed into the Lockup Switch Valve which controls the Torque Converter Clutch. When doing PEMCC or FEMCC, the L/R pressure switch should indicate no pressure if the solenoid switch valve is in the L/R position. If the L/R pressure switch indicates pressure for some time while in partial or full EMCC, the EMCC operation is aborted and momentarily inhibited to avoid accidental application of the L/R clutch. EMCC is attempted again when there is no L/R pressure. The fourth detection of L/R pressure while in PEMCC or FEMCC will result in setting the DTC. Torque converter EMCC operation inhibited. MIL on after 5 min. of substituted operation.



When Monitored:
Every 7 ms when doing PEMCC or FEMCC.

Set Condition:
Must be in partial or full EMCC. The DTC is set if L/R pressure is detected high for the fourth time.


Possible Causes:

RELATED DTC P0841 PRESENT

DTC EVENT DATA SHOWS TRS CODE TR2 - SHIFT LEVER OR MANUAL CONTROL VALVE IN A INVALID POSITION

SHIFTER CABLE OUT OF ADJUSTMENT

SOLENOID SWITCH VALVE STICKING IN ITS BORE

L/R PRESSURE SWITCH SENSE CIRCUIT OPEN

L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND

L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE

VALVE BODY

POWERTRAIN CONTROL MODULE

2008 Unlimited Rubicon Automatic
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post #4 of 6 Old 08-27-2014, 04:33 PM Thread Starter
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Quote:
Originally Posted by ronjenx View Post
Are there any other codes present?no other codes

P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION

Theory of Operation


The Solenoid Switch Valve, an internal, hydraulically operated valve, controls the direction of the transmission fluid when the L/R solenoid is energized. When the solenoid switch valve is in the downshifted position and the L/R solenoid is energized, fluid is directed to the L/R element for 1st gear. When the solenoid switch valve is In the up-shifted position (2nd, 3rd, and 4th gear) and the L/R solenoid is energized, fluid is directed into the Lockup Switch Valve which controls the Torque Converter Clutch. When doing PEMCC or FEMCC, the L/R pressure switch should indicate no pressure if the solenoid switch valve is in the L/R position. If the L/R pressure switch indicates pressure for some time while in partial or full EMCC, the EMCC operation is aborted and momentarily inhibited to avoid accidental application of the L/R clutch. EMCC is attempted again when there is no L/R pressure. The fourth detection of L/R pressure while in PEMCC or FEMCC will result in setting the DTC. Torque converter EMCC operation inhibited. MIL on after 5 min. of substituted operation.



When Monitored:
Every 7 ms when doing PEMCC or FEMCC.

Set Condition:
Must be in partial or full EMCC. The DTC is set if L/R pressure is detected high for the fourth time.


Possible Causes:

RELATED DTC P0841 PRESENT

DTC EVENT DATA SHOWS TRS CODE TR2 - SHIFT LEVER OR MANUAL CONTROL VALVE IN A INVALID POSITION

SHIFTER CABLE OUT OF ADJUSTMENT my key is stuck in the ignition too so I'm hoping that the cable is out of adjustment and the reason for throwing the code

SOLENOID SWITCH VALVE STICKING IN ITS BORE

L/R PRESSURE SWITCH SENSE CIRCUIT OPEN

L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND

L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE

VALVE BODY

POWERTRAIN CONTROL MODULE
pretty much what I had found too. Gonna adjust my cable tonight and see what happens. If it's still throwing the code then I'm gonna pull the valve body, clean it really good see if that works. If not then try to find a new one.

2008 steel blue sahara
with some doo-dads
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post #5 of 6 Old 08-27-2014, 08:33 PM Thread Starter
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well dug into it and the pan had some white paint looking stuff in it. from what I've read that means the tranny wont be lasting much longer no matter what I do now.

2008 steel blue sahara
with some doo-dads
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post #6 of 6 Old 08-28-2014, 08:12 AM
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Too bad you don't live closer, I've had a 2007 tranny sitting in my garage since I did the LS swap. 130 000kms on it. Cheap if ya get into a bind looking for one.

Sean
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