Question about 2003 Cadillac Escalade

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What is wrong when it is showing REDUCED ENGINE POWER &STABILITY SYS DISABLED

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Your car has gone into a safety mode as you on board computer has detected a fault somewhere.Hence this is a protective mode in order to avoid damage to the engine etc..You will need a diagnostic device hooked up to the car in order to read or reset this error code.

Posted on Nov 19, 2009

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I have a02 trailblazer and when I turn my car on the check engine light comes on and then it says reduced engine power. My car then begins to stall and shuts off. When I'm driving I can't even go over 25mph.

Posted on Nov 20, 2009

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Posted on Jan 02, 2017

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It means you have a problem with the electronic throttle control an with Stability control which is part of the electronic brake control module ,which means there are DTC'S - diagnostic trouble codes stored in the ( EBCM ) & in the PCM -powertrain control module . You should take to a ASE certified repair facility or the dealer !

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C heck engine light reduce power stability sys disabled t\c


Your PCM has found a problem in the operation of the truck. You will need to have It checked to see what code is stored in the memory of the computer. The truck is reducing power and turning all the warning lights on to let you know there is a problem that needs serious attention. It reduces power to stop from damaging the engine. Continuing to drive the truck could result is a major problem.

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My 2006 Chevy Tahoe displayed the Reduced Engine power and stability control system turned off. Drove the vehicle home at reduced power never. Temp OK, Battery gage read lower than the normal +14V, Oil...


the post that everybody refuse to read or acknowledge is the first simple instruction
when ever there is a problem , have the fault codes read first
it is free at autozone and other parts shops
then knowing what the problem is you can have it fixed at an accredited service center for less money that fixing what is not faulty costs

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Stability system disabled lights come on,why? also reduced engine power lights come on and the car doesnt go over 30 mi per hr


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No power


The problem may be located at the connector on the throttle body. The terminals can be loose, broken wires inside the the plastic where you cant see them, and corroded grounds.

If you can get the check engine light to shut off, try wiggling the wiring from the connector on the throttle body from the connector out to at least 4 inches to induce a check engine light. Clean and tighten the grounds on the engine block also.

Good luck finding the problem.

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disconnect ground battery cable for 10 minutes( this resets the ECM ) then try to start the vehicle.

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