Mechanics

CODES

1995 Cadillac Deville

Electrical problem
1995 Cadillac Deville V8 Two Wheel Drive Automatic 132000 miles

what do these mean.
current code po30
history codes po31, po39, po52, po55, po98.
Help would be great.
Avatar
Sierragt2006
November 15, 2009.




4.9 or 4.6 makes no difference: P030 ISC RPM out of range
P031 shorted map sensor
P039 TCC engagement problem
P052 keep alive memory reset(can happen with dead/discon. Battery)
P055 Closed throttle rpm out of range

P098 High RPM P/N to D/R shift under ISC(this code applies to 4.9l only)

Factoryjack
Nov 15, 2009.
P030 current and P055 history, instruction is to repair P055 first clear codes, then see if any reset, here's the t/s flowchart for P055:


http://www.2carpros.com/forum/automotive_pictures/62217_55a_1.jpg



http://www.2carpros.com/forum/automotive_pictures/62217_55b_1.jpg



http://www.2carpros.com/forum/automotive_pictures/62217_55c_1.jpg


Merlin2021
Nov 15, 2009.
Thanks for all help.

Tiny
Sierragt2006
Nov 17, 2009.
Your welcome.
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Merlin2021
Nov 18, 2009.

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