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Old 09-18-2019, 06:05 AM   #51
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Default Re: Key Programming

Does the RFID prevent turning the key, or prevent starting?

Had a spare non rfid key made today. Works in all the doors but can't turn the ignition lock.

Other makes I have worked on the car might not start, or would start and die. Never seen an imobilizer prevent turning the key. I'm thinking the cut is bad.
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Old 09-18-2019, 08:43 AM   #52
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Default Re: Key Programming

Quote:
Originally Posted by TDfanman View Post
Does the RFID prevent turning the key, or prevent starting?

Had a spare non rfid key made today. Works in all the doors but can't turn the ignition lock.

Other makes I have worked on the car might not start, or would start and die. Never seen an imobilizer prevent turning the key. I'm thinking the cut is bad.
The lack of an RFID chip will only prevent the engine from starting and should bring up a 'Start Error' message in the display. It will not prevent the key from turning so you have a bad cut.

There have been several posts about the shape of the key blank where the key is either too long or the shoulder is in the wrong position so compare old and new keys very carefully including the register at the shoulder.

Keith.
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Old 09-18-2019, 01:37 PM   #53
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Default Re: Key Programming

What Cheyenne said.
+

The ignition switch has more latches aka wafers than the door cylinders so the door cylinders can more tolerant of some improper key cut issues.

The RFID chip on the T1N is strictly for the electronics. It has nothing to do with the key cylinder operation. The key cylinder is all mechanical. There is an interlock cable from the shifter, but it is unlikely that it's involved in your problem.

vic
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Old 09-18-2019, 03:48 PM   #54
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Default Re: Key Programming

Quote:
Originally Posted by Aqua Puttana View Post
What Cheyenne said.
+

The ignition switch has more latches aka wafers than the door cylinders so the door cylinders can more tolerant of some improper key cut issues.

The RFID chip on the T1N is strictly for the electronics. It has nothing to do with the key cylinder operation. The key cylinder is all mechanical. There is an interlock cable from the shifter, but it is unlikely that it's involved in your problem.

vic
And that would affect ALL the keys and not just the newly cut one!

Keith.
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Old 09-18-2019, 06:14 PM   #55
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Default Re: Key Programming

Echoing Vic and Kieth, here's what i learned from cutting my "mechanical" key:



Due to the "shoulder registration" issue, i have to hold it about 1 millimeter out from fully-seated for it to turn in the ignition.

--dick
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Old 09-19-2019, 04:09 PM   #56
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Default Re: Key Programming

This was mentioned before and it is correct. The reason the plain metal key will not turn in the ignition lock when it is duplicated from the working chipped key, is because it is shorter and the bow of the key hits the plastic ring on the face of the lock before fully entering the lock. If you alter the bow as pictured, it will enter and turn the lock, though I am unsure why most would want to do this since the immobilizer system will prevent starting. There are fewer tumblers (wafers) in the door, however, since the key was duplicated from another working key with all 10 positions on it, this is not generally the cause.
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Old 09-19-2019, 06:00 PM   #57
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Default Re: Key Programming

Let's make that visible for normal mortals:

KeyShapes.jpg

Among the many reasons to make it able to turn the ignition is to power the power windows.

--dick
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Get YOUR Sprinter's full configuration datacard by entering your VIN to https://www.datamb.com/
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Old 09-19-2019, 06:08 PM   #58
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Default Re: Key Programming

Quote:
Originally Posted by autostaretx View Post
Let's make that visible for normal mortals:

Attachment 118785

Among the many reasons to make it able to turn the ignition is to power the power windows.

--dick
Already did. :)
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Old 10-03-2019, 09:43 PM   #59
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Default Re: Key Programming

I sent my broke-in-half key to SOS Diagnostics and they were able to make 2 duplicates and clone the chips for $90 shipped. Both work fine. Local locksmith wanted more than that for one key.
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Old 10-03-2019, 11:09 PM   #60
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Default Re: Key Programming

Quote:
Originally Posted by autostaretx View Post
...

Among the many reasons to make it able to turn the ignition is to power the power windows.

--dick
I know that I've mentioned this before, but I'm old so get used to my repeating stories... verified by my immediate family.

My then young granddaughter once commented that the 2004 Sprinter crank windows were great. "I can roll the window down anytime I want." was her comment. She was born October 4, 2002 so car crank windows didn't exist for her. (I can always remember her birthday after her mother quipped "10/4 and out" after she was born.)

Back to topic.

vic
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