Question about 2005 Dodge Dakota

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Where is the TCCM in 2005 Dakota?

The vehicle is switching into 4LO on its own

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The front control unit is attached to the power distrib. center under the hood .note the 2005 doesn't use a tccm is what is stated in my ref.

Posted on Jul 02, 2014

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SOURCE: 2005 dodge dakota has a rattle for 5 seconds at

Sounds like a rocker arm is out of adjustment or one of the rocker arms are worn more than the rest. If you find one loose rocker arm and the rest are tight then the entire rocker assembly will need to be removed and the one rocker arm will have to be replaced. Thats on a V6 and V8 models . Now on the four cylinder you have to remove the timing belt cover,unbolt the timing belt and hold tension on it to keep the belt from jumping off the crankshaft gear. Remove the rocker arm cover and you will have to remove the cam to get to the roller rocker arms. There is alot of work to do to get this job done. If you do not have all the tools to do this with, then it would be better to take the truck to a mechanics shop for repairs. Hope this will help you.

Posted on May 28, 2010

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Changed the dashboard switch for 4wd. That didn't work. Still cannot get into 4wd.


The NVG 263 transfer case features a three button shift control switch located on the instrument panel. When the ignition is in the RUN position, the transfer case shift control module (TCCM) starts monitoring the transfer case shift control switch to determine if the driver desires a new mode/gear position. At a single press of the transfer case shift control switch, the lamp of the new desired position begins flashing to inform the driver that the TCCM has received the request for a new mode/gear position. The lamp continues to flash until all shifting criteria has been met and the new mode/gear position has been engaged. Once the new mode/gear position is fully active, the switch indicator for the new position remains ON constantly. In the event that the TCCM can not or will not complete the shift, the indicator returns to the previously selected position; this is a Transfer Case Shift Control Switch Indicator Flashes, then Returns to Previous Mode condition.
The New Venture Gear model NVG 246 RPO NP8 transfer case is a two speed automatic, active, transfer case. The NVG 246 EAU provides 5 modes, Auto 4WD, 4HI, 4LO, 2HI and Neutral. The Auto 4WD position allows the capability of an active transfer case, which provides the benefits of on-demand torque biasing wet clutch and easy vehicle tuning through software calibrations. The software calibrations allow more features such as flexible adapt ready position and clutch preload torque levels. The technology allows for vehicle speed dependent clutch torque levels to enhance the performance of the system. For example, the system is calibrated to provide 0-5 ft lb of clutch torque during low speed, low engine torque operation, and predetermined higher torque for 40 km/h (25 mph) and greater. This prevents crow-hop and binding at low speeds and provides higher torque biases at higher vehicle speeds, in order to enhance stability.

Mar 26, 2016 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

Spontaneously engages 4hi & 4lo w/out any indication and when vehicle is not running I can hear the TCCM trying to engage into 4w drive


It sounds like the switch is shorting out if you unplug and it stop I would imagine you need a new switch or a new control switch

Jun 09, 2015 | 2005 Dodge Dakota Quad

2 Answers

Need a fuse diagram for a 2005 Dodge Dakota SLT Quad Cab 4x4


Look underneath the cover for the main fuse box under the hood. It should have a diagram for all the main fuses along with the sizes and the relays.

Jun 09, 2015 | 2005 Dodge Dakota Quad

1 Answer

I have a 1998 Chevy Blazer 4dr. The 4 whl drive switch does not light up. Some how the 4 whl drive got ingaged and now it is stuck there. I have a new switch on order but this is getting ridiculous. When...


The New Venture Gear Model NV233 is an electronically controlled optional transfer case for use on four wheel drive T trucks. The driver selects 2HI, 4HI, or 4LO by pushing one of three illuminating shift select buttons mounted on the instrument panel. The shift select buttons display the transfer case mode and range, self-test, diagnostic trouble codes, and electronic shift mechanical engaging problems.
During normal driving the transfer case is in the 2HI mode. When the transfer case is in the 2HI mode. When the transfer case is in 2HI both the 4HI and 4LO switch circuits are open, and both lights are OFF. When the four-wheel drive shift select button has been pressed, the four-wheel drive indicator lamp under the sift select button turns ON when the front axle has engaged. The shift select button will blink while the front axle is engaging. This is a normal condition.
The shifting of the transfer case is performed by a motor/encoder that receives drive signals from the transfer case control module (TCCM). When the driver selects one of the transfer case shift select buttons, request signals are sent to the TCCM. If the correct input signals exists, the TCCM will send drive voltages to the motor/encoder. The motor/encoder will position the transfer case to the ordered shift position.

Transfer Case Control Module Description
The TCCM performs the following functions:
• Receives input signals
• Processes the signal information
• Develops output signals
• Sends the output signal in order to control the shifting of the transfer case
The TCCM receives input signals from the following sources:
• The transfer case shift select buttons
• The NSBU switch on the vehicles with automatic transmissions
• The clutch position switch on the vehicles with manual transmissions
• The vehicle sped sensor calibrator module
• The encoder/motor range and the mode feedback signals
• The diagnostic enable
• The front axle mechanical status signal
In order to ensure the electronic shift system is operating properly, the transfer case control module (TCCM) continually performs diagnostics checks on itself and other parts of the electronic shift system when the ignition switch is in the run position. The following are different types of system checks that the TCCM continually performs.
Data Memory Retention Check
The TCCM checks the stored diagnostic trouble code memory to see if the memory has changed since the ignition switch was last positioned to OFF. This self test checks in order to see if the RAM standby power supply has been interrupted. If the TCCM detects a RAM standby power supply interruption, (the loss of stored diagnostic trouble code) the TCCM stores a DTC of 1 indicating RAM standby power failure.
This condition occurs when the TCCM is disconnected from the wiring harness or battery power is removed. The DTC of 1 automatically clears from the TCCM after cycling the ignition switch ON and OFF five times.

Before replacing parts you should test the system !
Diagnostic Trouble Code (DTC) Displaying
The transfer case shift control module is equipped with the ability to store diagnostic information, which is useful to a technician in the event of module, component or wiring failures. This information can be retrieved from the transfer case shift control module by way of flash codes, which are displayed on the three transfer case shift control switch buttons. These buttons are located on the instrument panel to the right of the steering wheel Before obtaining DTCs, perform the following transfer case control module (TCCM) Self-Test.
TCCM Self-Test
Observe the transfer case shift control switch indicators while turning the ignition switch to RUN. A properly operating system will flash all indicators and then will return to the current gear. If the system is operating normally, then proceed to Displaying Codes.
If the TCCM failed the Self-Test, then test the following circuits.
• Battery Positive Voltage (40 and 1640), and Ignition 3 Voltage for battery voltage
• Ground Circuit for ground
• Diagnostic enable circuit for an open or high resistance
• Transfer case shift control switch connector
If the above circuits are normal but the TCCM still fails the Self-Test, replace the TCCM. Refer to Transfer Case Shift Control Module Replacement .
DTC Displaying
Turn OFF the ignition for 10 seconds.
Connect PIN 13 on the data link cable (DLC) to a ground. The DLC is located in the cab under the instrument panel on the driver's side.
Turn ON the ignition, with the engine OFF.
Observe the transfer case shift control switch select buttons for flashing codes. Refer to Diagnostic Trouble Code (DTC) List .
Important: If the transfer case shift control switch buttons all blink only once and then stop, no fault codes are stored in the transfer case shift control module.
• When one DTC is stored in memory, that code will blink that number of times followed by a 3 second pause and then repeat.
• If more than one code is stored, the first code will blink, followed by a 3 second pause and then the second code will blink.
• This sequence will continue until PIN 13 on the DLC is no longer grounded.
• If the TCCM will not communicate the presence or absence of DTCs, test the above circuits in Self-Test Step 2. If the circuits are complete, then replace the TCCM. Refer to Transfer Case Shift Control Module Replacement .

Is the 4WD fuse # 15 -10 amp located in the I/P fuse box good ?

Jul 30, 2017 | 1998 Chevrolet Blazer

2 Answers

My 2005 Yukon will not switch out of 4wd low.


I'm assuming you have operated your 4WD before, and you know the tranny has to be shifted into neutral to engage and disengage 4LO (I'd try that first). Other than that they are bad for the 4wd Switches failing, (but usually one or more lights are flashing) and if its locked in 4LO you probably have a TCCM (Transfer case control module) problem. For the record there is no need to ever use 4LO, unless you are extremely stuck in the bush somewhere, there is no advantage on the street.

Feb 23, 2011 | 2005 GMC Yukon

1 Answer

04 Trailblazer LS won't go into 4WD. Front hubs don't engage with switch in cab. It will gear down to 4wd Lo but front wheels won't engage. Please help. Can't afford the dealer!


What do the lights on the 4x4 selector switch do when you switch to A4WD or $HI or 4LO positions? Do they blink and revert to previous selection? Has the Transfer Case fluid been changed at 50K intervals?
There are actuators on the Transfer Case and Front Differential that control the application of power to the front wheels. These actuators are controlled by the TCCM (Transfer Case Control Module). It takes a qualified 4 wheel drive technician to diagnose these systems.

Jan 09, 2011 | 2005 Chevrolet TrailBlazer

1 Answer

My 2004 dodge durango has that knob where it says awd 4lock and 4lo now my truck is stuck blinking 4 lo and it drives like if its stuck


Possibly you have a bad TCCM or transer case control module. If you are still under the 7/70 powertrain warranty, they will replace the TCCM for $100.

May 07, 2010 | 2004 Dodge Durango

1 Answer

4x4 push button is not working about how much does


This is something you can do yourself if you have ever worked on a vehicle before. The part you need is called a front drive actuator valve. It costs about $ 50.00, GM part # 15165891.
Here is some more infor about it:

Main 4wd Components:
TCCM
- Transfer Case Control Module - Located behind the glove box. This is the electronic 'brains' behind the shifting.
Switch - The push button switch in the dash - driver input/indicator.
Encoder Motor - Located on the transfer case - This is what actually shifts the transfer case, and tells the TCCM what position it is in.
Vacuum Switch - Also located on the transfer case - This is what sends vacuum to the vacuum actuator (see below) when the transfer care is in 4HI or 4LO.
Vacuum Actuator - Located under the battery tray - This is what engages or disengages the front driveshaft.
Front Axle Switch - Located on the front axle - This is what tells the TCCM when the front axle is engaged.

If you want to try and replace it yourself, please let me know how it goes.

Feb 11, 2010 | 1998 GMC Jimmy

1 Answer

How to get my 00 blazer out of rail to rail mode its stuck in 4lo


Try putting the transmission in neutral first then shift the 4wd switch up to 4 hi then 2wd..This usually works.You should have the codes in the transfer case control module checked.You might have a problem in the encoder motor or TCCM.Hope this helps.Good luck.

Jan 29, 2010 | 2000 Chevrolet Blazer

2 Answers

Vehicle: 2005 Chevy Silverado 2500HD 4X4 Duramax. Problem, when I trying switching the 4 wheel drive switch to 4LO, the light just blinks continuously.


You should have it put on diagnostic scanner to tell for sure. system needs to be tested. As a mechanic myself, I know these can be done fairlty easy on most vehicles but some can be slightly tricky

Aug 27, 2009 | 2004 Chevrolet Silverado 2500HD

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