My dash lights seem to be one off. When I place it in 2wd, the "part-time" light comes on. When I pull it bact to "part-time", "full time" lights up. And, placing it in "full-time" no light is on, as if it thinks it is in neutral. I have run throught the modes several times, restarted the engine,ect,. Nothing seems to work. Anyone else have this problem?

05 CRD Sport, 33k

Sounds like the transfer case position sensor is malfunctioning or damaged. The dash lights are displayed based on the current from that sensor:
SENSOR POSITION OPERATING MODE SENSOR RESISTANCE (ohms)
1 2WD 1124-1243
2 4WD PART TIME 650-719
3 4WD FULL TIME 389-431
4 NEUTRAL 199-221
5 4WD LOW 57-64

I might be looking at the wrong t-case, but the sensor is on the top side of the t-case, just inboard and above the output shaft that goes to the front differential. I think it works based on a spring-loaded plunger that is moved in or out of the sensor body by something actuating inside the case. If it's loose, tightening it might fix the problem. First, I'd call the dealer, though. That should be under the powertrain warranty.

Dan

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2005 Silver CRD Limited
245/75R16 GoodYear Duratracs
Fumoto drain | ProVent CCV Filter
Stanadyne FM100 filter | Cummins fuel pump
GDE Eco | SEGR | BoulderBars | FrankenLift | Frankenskids

Did you ever figure out what caused this? I'm havign the same problems now. (ANd out of warranty). Hoping something I can fix myself.

Try this viewtopic.php?f=3&t=59788 It's a link to an 02-04 post but should be the same for 05-06 or close enough.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

i wish i had seen this before the stealership took away my 450 bucks.150 for a 60 $ part and two hours of labor @125 /Hr....... ouch that hurt....... anyways thanks for sharing.

Thanks!

When ours did that, it was the sensor. Get on some dirt and confirm it is in the correct 4x4 mode as referenced by the level. If so, sensor. Not hard to replace.

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HERS:'16 WK2 Limited EcoDiesel - GDE hot
HIS: '06 Liberty CRD - EHM , GDE eco, Brite Box, Stanadyne FM100, Cummins lift pump, OME lift
'06 Dodge/Cummins - Play truck; a couple of fans, a proper cam shaft, and man handled electrons by EFILive 500/900
'01 Dodge/Cummins - Work truck; Lots of mods