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Old 11-20-2007, 09:51 PM
USMCR O-5's Avatar
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Location: Florida
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Check Engine Light

I have a 1996 E320 with a check engine light has been coming on. I had the code read at Auto Zone and they said it was "P1700" and "P1730". I believe these are transmission codes but the transmission seems to be operating normally. I occasionally disconnect the battery to reset the check engine light, but it usually comes back on within a week. Any suggestions would be appreciated.

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Old 11-20-2007, 10:28 PM
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Location: Walnut Creek, CA & 1,150 miles S of Key West
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Maybe one of these?

P0700 Transmission Control System Malfunction
P0730 Incorrect Gear Ratio

The others don't appear to exist per my list.

The only P17XX codes that i find are:

P1747 Electronic Gear Selector Module: Defective Interaction of CAN with control unit A1(instrument cluster)
P1750 Electronic Gear Selector Module: Very low control unit supply voltage
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N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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Old 11-21-2007, 08:40 AM
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Quote:
Originally Posted by USMCR O-5 View Post
I have a 1996 E320 with a check engine light has been coming on. I had the code read at Auto Zone and they said it was "P1700" and "P1730". I believe these are transmission codes but the transmission seems to be operating normally. I occasionally disconnect the battery to reset the check engine light, but it usually comes back on within a week. Any suggestions would be appreciated.

I think you have a typo on your codes ..

You sure the codes are not P0170 and P0173 instead of P1700 and P1730 ???


If so, you have a fuel trim fault and you would want to check the vac line to the fuel pressure regulator .


Last edited by Arthur Dalton; 11-21-2007 at 08:57 AM.
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