Check Engine Codes P161b-p2106-p1295 - Hyundai Forums : Hyundai Forum
 
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#1 Old 10-22-2009, 06:20 PM
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YoSantaFe
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Hi everybody.

I want to know if someone experienced something like us.
We just get the car out of the dealer this noon for check engine diagnosis & repair following P0445&P0446 codes.
The dealer replace the close valve in the evap system that seems to be faulty and causes the codes to come on.
My wife drives back to work and park the car there.
When she leaved after work, she first try the start the car that but it stopped after a few seconds.
She turn back the key, wait to be sure that the the security light was on (because she already experienced that the car won't start if it is not!), and started again.
The engine started but idling rough and she notice that nothing was happening when touching the gas pedal.
The check engine light came on.
I have a scan gange install inside the car so she read the codes mention in the topic title.
She stopped the engine, start it back again and everything was fine! (Except the check engine that was still on).

I was wondering if this may be a ponctual problem caused by the bad weather we had today (rain, icy rain & snow) so a very highlevel of humidity
or does the dealer may have touch something during the diagnosis of the previous codes (ex, disconnect something and didn't connect it properly).

I called the dealer that told me that these code was not Hyundai codes??? and that it was probably the weather conditions!
He told me to drive it if it was working fine and the codes should erase after a few start/stop process and bring it back if not or if the problem was occuring again.

Thanks for your help
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#2 Old 10-22-2009, 08:59 PM
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I'm not clear about the first of your P161b-p2106-p1295 codes... the first one is bogus. P1616, perhaps?

Your dealer's service tech is full of it. We'll leave "it" undefined for the moment.

All 3 codes you mention are legit Hyundai codes. Your car probably wasn't running as well as normal when you saw these! Yup, that seems to agree with your post.

P1616 = Main Relay Control Circuit Malfunction (if it's 1616)
P2106 = Lime Home Mode - Force Limited Power
P1295 = Limp Home Mode - Power Management
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#3 Old 10-23-2009, 09:53 AM
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PoMansAWD
I have never seen an EVAP system problem render a vehicle useless in limp mode. The only things I've seen initiate limp mode (fast idle only from engine) are: 1) An electronic throttle control problem, or 2) An electrical problem like low system voltage from a faulty battery or alternator.

Joel
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#4 Old 10-23-2009, 11:02 AM
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QUOTE (PoMansAWD @ Oct 23 2009, 06:53 AM)
Quote:
I have never seen an EVAP system problem render a vehicle useless in limp mode. The only things I've seen initiate limp mode (fast idle only from engine) are: 1) An electronic throttle control problem, or 2) An electrical problem like low system voltage from a faulty battery or alternator.

Joel
They may have fixed the evap cannister, but if you look at the one code that came along with the two limp mode codes right after the repair, it was a major electrical failure.



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#5 Old 10-23-2009, 11:09 AM
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PoMansAWD
True. Makes you wonder if a connector got jostled somewhere along the EVAP repair. Loose battery connection maybe?

Joel
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#6 Old 10-23-2009, 01:42 PM
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YoSantaFe
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Thanks for your help, i'll make some check this weekend to see if there is some loose connections. (The white mess that falls on us should be gone!!!!)
By the way, the check engine came off by itself after a few start-stop cycle!
Yo
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#7 Old 12-23-2009, 04:25 PM
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knin69
Hello, I just experienced this problem, so I thought I would just chime in. I have a 2007 Santa Fe SE with 30,000 miles and first experienced the issue last Saturday. When attempting to start the vehicle parked in my garage, I heard a real loud crank noise in the engine and it would not stay on. I tried several times with same result. After a couple of hours, I attempted to start it again and it finally did turn on with no engine noise but MIL light came on. As it turns out, the codes showing were P2106, P1295 and P161B, yes P161B. I had my Santy towed to the dealership and they replaced a failed throttle position sensor. They said they also updated the ECU, but I believe the throttle sensor was the main problem. I have yet to test it, as I am on my way to pick it up from the dealer, but for those of you getting the same codes it is most likely a sensor problem. Thank goodness for Hyundai warranty. I hope this is the last time we have to visit the service department in a long, long time.

Thanks,
Dan
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#8 Old 09-28-2012, 12:11 PM
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Smile What it the pedal sensor or on the engine

Quote:
Originally Posted by knin69 View Post
Hello, I just experienced this problem, so I thought I would just chime in. I have a 2007 Santa Fe SE with 30,000 miles and first experienced the issue last Saturday. When attempting to start the vehicle parked in my garage, I heard a real loud crank noise in the engine and it would not stay on. I tried several times with same result. After a couple of hours, I attempted to start it again and it finally did turn on with no engine noise but MIL light came on. As it turns out, the codes showing were P2106, P1295 and P161B, yes P161B. I had my Santy towed to the dealership and they replaced a failed throttle position sensor. They said they also updated the ECU, but I believe the throttle sensor was the main problem. I have yet to test it, as I am on my way to pick it up from the dealer, but for those of you getting the same codes it is most likely a sensor problem. Thank goodness for Hyundai warranty. I hope this is the last time we have to visit the service department in a long, long time.

Thanks,
Dan
Which sensor did you replace on engine or pedal
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