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Old 04-10-2001, 06:55 PM
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i tried to retrieve the codes for the check engine light today and the red light blinked 26 times in a row. what does this mean?
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Old 04-10-2001, 08:02 PM
engatwork's Avatar
Join Date: May 2000
Location: Soperton, Ga. USA
Posts: 11,232
I do not c a code 26

on the code list.
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Old 04-10-2001, 08:23 PM
JimF's Avatar
'94 S500: only 793 sold!
Join Date: Mar 2001
Location: San Diego, CA
Posts: 1,924
DTC from Diag Module

If your DIAG module is the same as mine ('94), 26 blinks means: Upshift delay 1 -> 2 (124.034 only), 2 ->3 (all models).

The upshift delay switchover valve (Y3/3) operates from a control signal from the LH control unit (N3/1) and puts vacuum on the the upshift delay element (transmission).

Most likely, there's a problem with the vacuum line or the Y3/3 valve.

[Edited by JimF on 04-10-2001 at 09:07 PM]
Regards . . . . JimF
'94 S500 Cpe

Visit my Mercedes Web Page
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Old 04-10-2001, 10:00 PM
Registered User
Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,768
I had a 26 pop up and found no vac leaks at swith over, but had one at intake.
Look around at all hoses and then clear the code. If it comes back, go from there.

PS to engatwork
You do not have the complete sode list.
Email me and I will send it.
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