Don329

Hey guy, Looking for some help with my 2010 3500. When towing the Tranny seems to shift harshly if I get on it a bit after a stop. Also after using the shift limit feature (you hit plus or minus to lock the gear for hills) The tranny will not go back into drive its stuck in 4th. The only way to get back in drive is to shut the truck off then restart.
I have the following codes
P0732 Gear 2 incorrect
P01790 After shift??
Trans temp (guess thats from the wrong gear?
And finally P1776 Solenoid valve Left rear????????
What the heck left rear?

Any Ideas please let me know
Thanks

Busboy

Have you ever changed the oil and both filters in your 68RFE if so did you use a good synthetic oil? It sounds like you may have a solenoid sticking or perhaps a wiring fault causing it to hang up, so the trans is going into limp mode. The harness in the drivers wheel well on the 2013 is quite out in the open and can easily get damaged, just went through that but I'm not sure if the 2010 harness runs in the same place.
Anyway if the oil and filters are good I wouldn't jump into changing the valve body until you have exhausted every possibility of a damage wire harness.

RamCares

Looks like this could be a multitude of things!

P0732-GEAR RATIO ERROR IN 2ND
When Monitored:
Continuously with the ignition on, engine running, with the transmission in gear.

Set Condition:
If the ratio of the Input rpm to the Output rpm does not match the current gear ratio. This DTC can take up to five minutes of problem identification before illuminating the MIL.

Possible Causes:
RELATED DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR(S) OR WIRING
LOW FLUID LEVEL
CRACKED OR MIS-INSTALLED PRIMARY OIL FILTER OR SEAL
WORN SOLENOID SWITCH VALVE OR PLUGS
STUCK OR STICKING MAIN REGULATOR VALVE
BURNED UD OR 2C CLUTCH
CUT 2C OR UD PISTON SEAL
BROKEN 2C PISTON CASTING
BROKEN OR MISSING 2C BLEED ORIFICE
BROKEN OR MISSING UD BLEED ORIFICE
CUT 2C OR UD ACCUMULATOR PISTON SEAL
CRACKED 2C OR UD ACCUMULATOR PISTON
CUT OR MISSING NO. 5 OR NO. 7 CHECK BALL
TRANSMISSION SOLENOID/TRS ASSEMBLY
BROKEN INPUT ANNULUS TO DRIVE SHELL WELD
FAILED SPLINE - REVERSE ANNULUS GEAR TO INPUT CARRIER
FAILED SPLINE - REACTION CARRIER TO REVERSE SUN GEAR
MISSING TEETH ON INPUT CLUTCH HUB TONE WHEEL


P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION

When Monitored:
Continuously when performing partial or full EMCC - PEMCC or FEMCC.

Set Condition:
If the transmission senses the L/R pressure switch closing while performing PEMCC or FEMCC. This DTC will set after two unsuccessful attempts to perform PEMCC or FEMCC. This DTC can take up to five minutes of problem identification before illuminating the MIL.

Possible Causes:
RELATED DTC P0841 PRESENT
L/R PRESSURE SIGNAL CIRCUIT OPEN
L/R PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
SOLENOID SWITCH VALVE
POWERTRAIN CONTROL MODULE (PCM)
INTERMITTENT WIRING AND CONNECTORS