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Old 11-23-2013, 12:40 PM   #1
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Oil change indicator...MIA...?

I've got over 10,000 miles on the Jeep and am about to perform my second oil change at 12,000 but the OCI light has not come on yet...?! What's up with that?

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Old 11-23-2013, 12:42 PM   #2
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Mine never came on either. I even tried following the oil change reset procedure and the jeep gave me no feedback. I'm under the impression it's probably the difference between the "smart" and "dumb" on-board computer.
2012 Sport, ~24k miles

EDIT: See this link - Electronic Vehicle Information Center

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Old 11-23-2013, 01:13 PM   #3
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You're lucky. It sounds like you don't need it.
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Old 11-23-2013, 01:36 PM   #4
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Ignore it, and just change your oil at certain intervals.........
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Old 11-23-2013, 01:47 PM   #5
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I traded my 2013 in with 19000 and the oil change light never came on, kind of like having free oil changes for life lol. must have been a bad batch of change indicators lol.
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Old 11-23-2013, 01:51 PM   #6
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I am curious how these indicators work, and I was having a beer last night with a Jeep tech who is a friend of a friend, and he had no idea either. He said he's never had to change an "oil change indicator sensor" and seems to think it's set off the mileage only.

He recommended just looking at the dipstick and changing it when it looked dirty around the recommended intervals.
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Old 11-23-2013, 02:06 PM   #7
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I believe the indicator uses the Jeep's engine computer with various data points over time to calculate how "Used" the oil is. For example, it'll use intake vacuum, engine speed, outside temp, cold starts, idle time, engine temp etc... With all those data points, the on board computer calculates how much strain that puts on the engine oil and calculates the life based on that. So if you drive your Jeep more gently, the numbers going into that calculation are smaller, and therefore your oil doesn't get "Used" as fast.
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Old 11-23-2013, 02:49 PM   #8
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My 2013 manual says to go by the indicator, but also, NEVER to exceed 10, 000 miles between oil changes. So if I hit 10, 000 miles and its not on, im still getting it changed.
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Old 11-23-2013, 03:09 PM   #9
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Quote:
Originally Posted by pacrawlin View Post
I believe the indicator uses the Jeep's engine computer with various data points over time to calculate how "Used" the oil is. For example, it'll use intake vacuum, engine speed, outside temp, cold starts, idle time, engine temp etc... With all those data points, the on board computer calculates how much strain that puts on the engine oil and calculates the life based on that. So if you drive your Jeep more gently, the numbers going into that calculation are smaller, and therefore your oil doesn't get "Used" as fast.
+1 My indicator works great. It rolls around as I drive and I remember to change the oil every 8-10k miles!
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Old 11-23-2013, 04:50 PM   #10
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My son has a 2014 JKU and his came on at 3800.
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Old 11-23-2013, 04:58 PM   #11
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Mine never came on either.
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Old 11-23-2013, 05:17 PM   #12
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snipe:
Quote:
Originally Posted by FXnut View Post
He recommended just looking at the dipstick and changing it when it looked dirty around the recommended intervals.

This is nonsensical! ............. "change it when it looked dirty"
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Old 11-23-2013, 05:20 PM   #13
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My 2013 manual says to go by the indicator, but also, NEVER to exceed 10, 000 miles between oil changes. So if I hit 10, 000 miles and its not on, im still getting it changed.

Very foolish to wait until 10,000 miles to do oil and filter change regardless of indicator.
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Old 11-24-2013, 09:44 AM   #14
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Very foolish to wait until 10,000 miles to do oil and filter change regardless of indicator.
Changing oil at 10,000 is actually okay. It's the filter that needs changing at more frequent intervals.
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Old 11-24-2013, 09:56 AM   #15
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Pg. 325 in the 2013 owner's manual:

Quote:
Your vehicle is equipped with an engine oil change
indicator system. The “Oil Change Required” message
will flash in the EVIC display for approximately 10 seconds
after a single chime has sounded to indicate the next
scheduled oil change interval. The engine oil change
indicator system is duty cycle based, which means the
engine oil change interval may fluctuate dependent upon
your personal driving style.
I doubt we will ever see ours come on. For our free lifetime oil and filter changes we are required to have the dealer change the oil 4x per year and, after nearly 11 months, we've had it changed 3 times already and only 5,600 miles on the ODO.
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Old 11-24-2013, 11:44 PM   #16
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Quote:
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snipe:



This is nonsensical! ............. "change it when it looked dirty"
Agree 110%, that's why I do what maintenance I can myself.
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Old 11-25-2013, 02:35 PM   #17
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I bought my 09 JKU used with 47,000 miles on it. It has about 50,600 right now and I just completed my second oil change this past weekend. I've been changing it when the indicator comes on, which seems to be about every 2600-2700 miles.
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Old 11-25-2013, 02:38 PM   #18
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I got my first OCI light at 7700 and haven't gotten second yet at 13200
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Old 11-25-2013, 03:40 PM   #19
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I got over 6000 miles and no light. Wouldn't even know what to look for and really don't care. I changed at 4000 with mild driving. Heavier driving in dust or lots of heat then I do them at 2500 to 3K. Are we sure ALL models have this high tech babysitter for oil changes?
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Old 11-27-2013, 03:45 PM   #20
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Quote:
Originally Posted by Captain Ed View Post
Are we sure ALL models have this high tech babysitter for oil changes?
It's possible I don't have it, since I have the base model EVIC. It's not like I need it though. I change my oil every 6000 miles regardless.
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Old 01-13-2014, 12:49 PM   #21
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Just had the "Oil Change Required" notification pop up on my 2012 JKU. 35,000 miles in and first time I've ever seen it. I always get my oil changed at the dealership, so did they just forget to reset the Jeep after my last change that occurred about 750 miles ago? no way it needs changed again already is there? if they just forgot to reset it, how do I go about resetting it myself? I didnt see any options in the EVIC to reset that notification.
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Old 01-13-2014, 09:47 PM   #22
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so did they just forget to reset the Jeep after my last change that occurred about 750 miles ago? no way it needs changed again already is there? if they just forgot to reset it, how do I go about resetting it myself? I didnt see any options in the EVIC to reset that notification.
Yes. This needs to be a sticky, if it's not already. So many people ask and it is right there in the owners manual, available for d/l at Download a Recent Owners Manual for Free.

CHAngE OIL Message

Your vehicle is equipped with an engine oil change
indicator system. The “CHANgE OIL” message will flash
in the instrument cluster odometer for approximately
12 seconds after a single chime has sounded to indicate
the next scheduled oil change interval. The engine oil
change indicator system is duty-cycle based, which
means the engine oil change interval may fluctuate
dependent upon your personal driving style.

Unless reset, this message will continue to display each
time you turn the ignition switch to the ON/RUN position.
To turn off the message temporarily, press and release the
Trip Odometer button on the instrument cluster. To reset
the oil change indicator system (after performing the
scheduled maintenance), refer to the following procedure:

Turn the ignition switch to the ON/RUN position (do not
start the engine).

Fully depress the accelerator pedal slowly three times
within 10 seconds.

Turn the ignition switch to the OFF/LOCK position.

NOTE: If the indicator message illuminates when you
start the vehicle, the oil change indicator system did not
reset. If necessary, repeat this procedure.
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Old 01-13-2014, 10:01 PM   #23
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Its probably based off differential pressure across the filter. High dp indicates particulates in the oil and thus a need to change oil/filter.
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Old 01-13-2014, 10:08 PM   #24
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Quote:
Originally Posted by msubrave View Post
Its probably based off differential pressure across the filter. High dp indicates particulates in the oil and thus a need to change oil/filter.
Did you read the words in the post just above yours? DUTY CYCLE.
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Old 01-13-2014, 10:09 PM   #25
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Quote:
Originally Posted by Captain Ed View Post
Are we sure ALL models have this high tech babysitter for oil changes?
Quote:
Originally Posted by Scott2373 View Post
It's possible I don't have it, since I have the base model EVIC. It's not like I need it though. I change my oil every 6000 miles regardless.
ALL models have it.
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Old 01-13-2014, 10:12 PM   #26
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Quote:
Originally Posted by FXnut View Post
I am curious how these indicators work, and I was having a beer last night with a Jeep tech who is a friend of a friend, and he had no idea either. He said he's never had to change an "oil change indicator sensor" and seems to think it's set off the mileage only.

He recommended just looking at the dipstick and changing it when it looked dirty around the recommended intervals.
There is no "sensor". It's a computer algorithm. It is not set off my "mileage only". He can't be much of a tech.
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Old 01-13-2014, 10:13 PM   #27
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Originally Posted by jpstoner View Post
Mine never came on either. I even tried following the oil change reset procedure and the jeep gave me no feedback. I'm under the impression it's probably the difference between the "smart" and "dumb" on-board computer.
2012 Sport, ~24k miles

EDIT: See this link - Electronic Vehicle Information Center

The reset does not give any feedback.
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Old 01-13-2014, 10:21 PM   #28
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On my 13 I changed the oil the first time at 5000 miles. My light just came on when I hit exactly 9000 miles. I did the reset and no more reminder.
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Old 01-13-2014, 10:36 PM   #29
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I have a hair shy of 10,000 on my 2013. I just got the second change done today. I shoot for every 5,000ish. I haven't seen the light yet.
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Old 01-13-2014, 11:52 PM   #30
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I have a hair shy of 10,000 on my 2013. I just got the second change done today. I shoot for every 5,000ish. I haven't seen the light yet.
Funny I completely forgot about this post, then just found it had been resurrected today, since I just performed my second oil change this afternoon. 12,500+ miles and still no OCI light. My driving style is not, shall we say, "conservative", so if it's based on duty cycle then it's a huge fail. Just to bring a little more heat to the discussion, I used the "unapproved" Mobil 1 full syn on my first oil change @ 6,000 miles. This time around I used Pennzoil Platinum oil and a NAPA Gold filter since I got a great package deal on them. Still waiting for the OCI...

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