2006 with dead instrument cluster. - Dodge Cummins Diesel Forum
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post #1 of 8 (permalink) Old 10-11-2019, 04:32 PM Thread Starter
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2006 with dead instrument cluster.

Hopped in truck yesterday, turned key and nothing on instrument cluster works, also no wipers, turn signals, dome lights, horn or
locks. Radio works, HVAC works, and the headlights come on with the ignition and can't be turned off with the light switch, they only go off with the ignition.
From what I've dug up today it seems like all the non working things have to run through the Inst. cluster before there information gets sent along
the Can-bus trail. Anyone help with the? Also, new, used cluster or send it in to get fixed?
Thanks for any help, Butch.


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post #2 of 8 (permalink) Old 10-12-2019, 08:57 AM
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First thing disconnect both batteries for 10-15 minutes, resets modules ie network TIPM, take time to double check good cables/connections, good 12.6 +volts from batteries checked separately, load or hydrometer tester on them, check grounds low voltage/dirty power case all kinds of gremlins.
Check wires /fuses/grounds in and to TIPM including connectors underneath it, check large wire connectors by firewall in engine bay they feed are feeds to cluster .

If possible check for codes help narrow down issue,
For 2006 ECM/TCM ,cluster(EMIC body module) and network fusebox TIPM, really need DRBIII or equivalent scanner to check for codes.
Try Key on/off 3 times in 5 secs could show some ecm/tcm codes.
press trip button, turn key to on, should launch self test of clusters gauges lights.

If cluster, AFAIK no new clusters available best to find local cluster repair shop have yours fixed since has proper security mileage /hour info and checksums.

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post #3 of 8 (permalink) Old 10-12-2019, 12:40 PM Thread Starter
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Cant do ignition. on off to check for codes because inst. cluster doesn't work.
Ill pull battery cables, battery is clean. all associated fuses look good.
thanks.

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post #4 of 8 (permalink) Old 10-13-2019, 08:47 AM
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If no gauges/lights, need to try figure out why no power, starting at TIPM should have 12 volts on
both sides of fuse 35, 2, 11. then on TIPM connectors c3 pin 8 ,c10 pin 3, c9 pin5 ,c1 pin 1 (fused ignition switch) go to cluster connectors C1 pins 2,25,26 , connector c3 pins 24(fused ignition switch),and pin 26.
Double check 3 grounds on cluster should show continuity to ground from cluster connector c1 pins 13,14 and c3 pin 13.

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post #5 of 8 (permalink) Old 10-13-2019, 11:12 AM Thread Starter
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Pulled battery cables, cleaned and reinstalled, no change.

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post #6 of 8 (permalink) Old 10-19-2019, 07:37 PM
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Then , need to try figure out why no power, starting at TIPM should have 12 volts on
both sides of fuse 35, 2, 11. then on TIPM connectors c3 pin 8 ,c10 pin 3, c9 pin5 ,c1 pin 1 (fused ignition switch) go to cluster connectors C1 pins 2,25,26 , connector c3 pins 24(fused ignition switch),and pin 26.
Double check 3 grounds on cluster should show continuity to ground from cluster connector c1 pins 13,14 and c3 pin 13.

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post #7 of 8 (permalink) Old 10-19-2019, 09:36 PM Thread Starter
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Dang!!! just noticed I put 2006...Should be 2005!!! how can I change thread title???

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post #8 of 8 (permalink) Old 10-20-2019, 06:13 PM
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Big difference from 06 to 05
should try perform cluster test post codes here for info.

1. Begin the test with the ignition switch in the Off position.
2. Depress the odometer/trip odometer switch button.
3. While still holding the odometer/trip odometer switch button depressed, turn the ignition switch to the On position,
but do not start the engine.
4. Release the odometer/trip odometer switch button.
5. The instrument cluster will simultaneously begin to illuminate all of the operational segments in both VFD units
and perform a bulb check of each operational LED indicator. The VFD segments and LED indicators remain
illuminated as each gauge needle is swept to several calibration points and back. If a VFD segment or an LED
indicator fails to illuminate, or if a gauge needle fails to sweep through the calibration points and back during this
test, the instrument cluster must be replaced. Following these tests, the actuator test will proceed as described
in Step 6.
6. The text “C Code” is displayed in the odometer VFD for about three seconds. If there is no stored fault information,
the display will show two pairs of zeroes in the format “00” “00”, which indicate that the display of fault
information is done. If there is stored fault information, two sets of two-digit alpha and alpha-numeric fault codes
will appear in the odometer display for a three second interval. The first pair of digits represents a Diagnostic
Trouble Code (DTC), or fault code for the instrument cluster. The second pair of digits is a counter for the number
of ignition key cycles that have occurred since the displayed DTC was set. The instrument cluster will continue
to display additional sets of two pairs of digits at three second intervals until all of the stored codes have
been displayed, which is again signaled by a code of “00” “00”.

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