CODES

1995 Cadillac Deville

Tiny

sierragt2006

November, 15, 2009 AT 11:59 AM

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.

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Wiring Issue?

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4 Answers

Tiny

factoryjack

November, 15, 2009 AT 12:47 PM

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)

Tiny

merlin2021

November, 15, 2009 AT 1:13 PM

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

Tiny

sierragt2006

November, 17, 2009 AT 1:49 PM

Thanks for all help.

Tiny

merlin2021

November, 18, 2009 AT 2:33 AM

Your welcome.

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