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Check Engine Light S90-V90 1998

uid 11021's pic
posted by  dewfpo on  Sat Jun 18 19:15 CST 2011
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last visit: Thu Oct 23 18:34 CST 2014
[RELATED]

Hi XKE,

In DaveHa's case if the transmission was not acting properly and the back up lights weren't working properly (as in, coming on when in Reverse and not in neutral or Drive), it could indicate a bad PNP sensor. In which case, the TCM would tell the ECM to set the MIL on the dash. If this were the case, having the MIL lit might cause a person to fail their state inspection (depending of course which state).

In your case, if only the one bulb is out but the transmission shifts fine and the reverse lights indeed come on when the transmission is truly in reverse, you likely only need a bulb and the TCM is not setting a code.

I hope all my jiberish makes sense.

DEWFPO
--
1998 S90 083,228 and 1995 964 154,100






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