C Code; whatever that is

[WHF]

Today was looking up the total engine hours with the trip reset/key on run routine. Made a mistake in the sequence and the cluster went into a self test with everything lighting up and the dials spinning around. Thereafter, the miles read:
C Code
A04 11; next time: A04 13; then A04 15, and so on,
finally read: 00 00
after a few seconds trip went to "normal" total miles.
So now, someone tell me what that was all about.
"learning something new everyday on this bugger"

 

[SOOT]

A quick Bing search and this is what I found

INSTRUMENT CLUSTER FAILURE MESSAGE
Fault Code Description
01 Airbag warning indicator output circuit shorted.
02 Airbag warning indicator output circuit open.
03 ABS indicator output circuit shorted. .
04 ABS indicator output circuit open.
05 MIL indicator output circuit shorted.
06 MIL indicator output circuit open.
07 Wait to start indicator circuit shorted.
08 Wait to start indicator circuit open.
0B BTSI output circuit shorted or open.
22 Headlamp switch input circuit shorted.
23 Headlamp switch input circuit open.
24 Turn hazard switch input circuit shorted.
25 Turn hazard swiitch inpot circuit open.
27 Courtesy/dome output circuit shorted or open.
28 Glovebox/map lamp output circuit shorted or open.
29 Cargo lamp output circuit shorted or open.
40 Wiper switch input circuit shorted.
41 Wiper switch input circuit open.
42 Wash/beam input circuit shorted.
60 Passenger door lock switch input circuit shorted.
61 Passenger door lock switch input circuit open.
62 Passenger door lock switch input circuit stuck.
63 Driver door lock switch input circuit shorte.
65 Driver door lock switch input circuit stuck.
66 All door lock output circuit shorted to ground or voltage.
67 All door unlock output circuit shorted to ground or voltage.
68 Driver door unlock output circuit shorted to ground or voltage.
6C Driver cylinder lock switch input circuit shorted.
6E Driver cylinder lock switch input circuit stuck.
80 Incorrect odometer value found. .
81 Remote radio switch input circuit high.
82 Remote radio switch stuck.
A0 Internal module FLASH memory checksum failure.
A1 Internal module bootloader failure.
A3 Battery voltage open.
A5 TCCM messages not received.
A7 VIN checksum error.
A8 VIN previously stored.
A9 PCI bus internal failure.
AA PCM messages not received.
AB TCM messages not received.
AC ABS messages not received.
AD FCM messages not received.
AE ACM messages not received.
AF SKIM messages not received.
B0 RKE fob batteries low.
B1 RKE module communication link.
00 Done All Diagnostic Trouble Codes (DTC) have been displayed.

 

[SOOT]

This is an even longer list.

http://dodgeforum.com/forum/2nd-gen-ram-tech/279107-c-code-list.html

 

[WHF]

Thanks
Very enlightening; except that none of my codes are in there.
Mine kept incrementing by 2 each time I ran the test.
I finally gave up at: A04 21
Wonder what other tricks are available that most don't know about.
I suppose someone at Fiat would know what's what, but I'm not going to worry about it.
Otherwise, the unit is working flawlessly; always has.
Just need to keep my finger off the trip reset- what you don't know won't (or may not) hurt you.

 

[cerberusiam]

The cluster is pooched, it has internal errors. Regardless of the codes probably need to get a new\different cluster.

What you did is the cluster self test, if shows codes it is almost always replacement time.

 

[sag2]

Probably nothing wrong. If your concerned you will need to have a dealer read the cluster codes as the majority of aftermarket scanners will only read PCM codes.