1999 Cadillac DeVille "p0603" Questions

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Can anyone tell me what the following codes are on my 1997 Cadillac Deville?? P0139, P0603, P1139, and P1599..... Firstly, they are al P type codes, which refers to PCM. P0139 - HO2S (Heated Oxygen ...

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pcm p0603 no display for heat or a/c First clean with brush battery connection,check alternator,coils,spark plugs,wire.

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Question about Cadillac DeVille

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there are 15 codes stored in the computer. p0106 p00113 p0123 p0131 p0146 p0603 p0753 p0758 p1605 p1610 p1640 p1644 p1645 p1646 p1656. I'm i to asume that the computer is bad? possibly clear the codes

1996 CADILLAC DEVILLE OBD CODES P0603, P1381, P1571, P1602, P1644. P0141, AND P0140....FUEL FILTER, O2 SENSOR HAS BEEN REPLACED, NEW BATTERY, FUEL SYSTEM CLEANING..CHECK ENGINE LIGHT STILL ON ALONG WI

...on my car and these are the ones that showed up, anyone know what can be done to fix this?? P0139, P0603, P1139, and P1599 The only one to be concerned about right off isP0603 "Control Module long ...

...shift into higher gear. Codes cleared that reappear as soon as ignition turns over are: p0102, p0603, po753, p0758, p1645, and p1860 and RS0038 I know 102 is the MAF sensor so I replaced it with ...

06 nissas pathfinder SE in limp mode no acceleration. codes p0300 and p0603. replaced ecm, spark plugs, coils, throttle body and its still running bad. what can it be? thanks P0300 is a random misfire

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failed ecm p0603 Last week my engine light went on. i had two codes come up, bank one and bank two- running too lean. so i figured it was my mass air flow sensor needed replacement A few days later ...

Question about Cadillac DeVille

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DTC Code P0603 and P0231, 7.3 Powerstroke diesel. What do they indicate? P0231- fuel pump secondary circuit low P0603- power train control module keep alive memory (KAM).

diagnostic trouble cods - P1249 , P1211 , P0603 WHAT ARE THEY . P0603 = Internal control module , keep alive memory (KAM) error P1211 = injection control pressure (ICP) not controllable-pressure above

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