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Stability system disabled engine power reduced

The suv is taking a long time to get up to speed.

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Posted on Jan 02, 2017

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SOURCE: 2004 GMC Yukon XL Reduced Eng power

it sounds like it could be your pcm power control module. only because there are so many different lights coming on at once. or and this may sound stupid but check under the drivers seat. there is a ontrol box there. push the connector and make sure its connected... Believe it or not.. when the seat moves it can tug on the cable. It did on mine and I lost the fuel pump and the fuel guage. I also lost traction control. I had the pump replaced and of course it worked when i drove it out of the dealer only to stop 2 days later... By chance i came accross a web page.. I cant find it now. and a guy had the same problem and it took 4 weeks for the dealer to find out it was under the seat. I check mine frequently and have not had a problem since... lucky for me the fuel pump was under warrenty.

Posted on May 18, 2008

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SOURCE: engine power reduced

Locate the IP to body harness connector, which may be located in and around the left hand kick panel area or inside the IP. Check to see if there is a water leak into the area and repair as necessary.

Posted on May 24, 2009

  • 1341 Answers

SOURCE: what is wrong when it is showing REDUCED ENGINE

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

  • 35 Answers

SOURCE: Service Stabilitrak-Reduced Engine Power

the engine light is a generic fault indicator in your car to point out something is not quite right with the engine, having a loss of power as well is also known in some areas as Limp Mode or Safety Mode. it means the car is restricting the power it gives to ensure no damage it done to the engine.

the only certain way to find out what is wrong is to take it to a garage that has diagnostics equipment that can read the fault codes from the vechicles ECU (the fault codes will be the reason the light on the dash has come on as its reporting a fault somewhere)..

your mechanic should be able to tell you what is wrong with the engine from that and give you a more accurate cost at fixing it.

Posted on Dec 29, 2009

  • 31 Answers

SOURCE: stability system disabled lights come on,why?

check the gas pedal if it doesnt have a cable it tends to go out it is a drive by wire system g.m. vehicles have a common problem

Posted on Feb 12, 2010

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I just bought an 2004 Tahoe LT and the reduced engine power light is on. And, the stability sys disabled light is on what does this mean


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 !

Aug 23, 2015 | Cars & Trucks

1 Answer

How to remove the malfunction light from the dash


If you disassemble the instrument cluster to disable the light, an open circuit is created and the powertrain control module is put into a "limp in" or "service" mode. You maximum engine rpm is reduced. You maximum vehicle speed is reduced to 50 mph and several other systems are disabled (like stability control and traction control). You're better off just having it diagnosed and repaired properly.

Sep 06, 2014 | 2007 Ford Mondeo 2.0

1 Answer

What causes the "Reduced Engine Power", "Service Stability Control" and "Traction Control" warning lights to come on?


the "Reduced Engine Power", problem causes the PCM to disable "Service Stability Control" and "Traction Control" turning on the warning lights to come on for those systems . The reduced engine power is because of a problem with the electronic throttle control system or as GM calls it TAC system . Reduced Engine Power Mode
When the PCM detects a condition with the TAC system, the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
• Acceleration limiting--The PCM will continue to use the accelerator pedal for throttle control, however, the vehicle acceleration is limited.
• Limited throttle mode--The PCM will continue to use the accelerator pedal for throttle control, however, the maximum throttle opening is limited.
• Throttle default mode--The PCM will turn OFF the throttle actuator motor and the throttle will return to the spring loaded default position.
• Forced idle mode--The PCM will perform the following actions:
- Limit engine speed to idle by positioning the TP, or by controlling the fuel and spark if the throttle is turned OFF.
- Ignore the accelerator pedal input.
• Engine shutdown mode--The PCM will disable fuel and de-energize the throttle actuator.
© 2017 General Motors Corporation. All rights reserved.



Drive by Wire training Your best bet , take it to a GM dealer

Mar 04, 2017 | 2005 Pontiac Grand Prix GT

1 Answer

Reduced engine power signaling


Need more info. I noticed you also have a Q on here about your stability system.... Just as a guess... I'd say you have low power and a lit up dash " including the ABS light ". You need to check your ABS system first. A bad wheel speed sensor or hub bearing can cause all of this. The ECM sees it as one wheel locking up and reduces engine power and trips the Stabilitrac.

Dec 31, 2013 | 2005 GMC Yukon Xl Denali

1 Answer

Stability system disabled light on no power


The stability system is software programmed into the ABS - antilock brake control module also the PCM - engine computer . service engine light DTC'S - diagnostic trouble codes stored . Your best bet , take it to a qualified repair shop or the dealer . You don't have the diagnostic equipment or knowledge to tackle this type of problem .

Jul 24, 2017 | 2003 GMC Yukon Denali

1 Answer

How to reset stabilitrak on a 2007 chevy equinox


Your vehicle has electric power steering !
The Electric Power Steering (EPS) system reduces the amount of effort needed to steer the vehicle. The system uses the power steering control module (PSCM), torque sensor, power steering motor rotational sensor, power steering motor, discrete battery voltage supply circuit, and the GMLAN serial data circuit to perform the system functions. The PSCM and power steering motor are each serviced separately from the steering column assembly. However, the motor rotational sensor is serviced as part of the power steering motor, and the torque sensor is serviced as part of the steering column assembly. The PSCM also monitors vehicle speed from the engine control module (ECM) via the GMLAN serial data circuit. At low speeds more assist is provided for easy turning during parking maneuvers. At higher speeds less assist is provided for improved road feel and directional stability.
Stability System Indicator The IPC illuminates the stability system caution indicator when one or more of the following conditions exists. The EBCM sets any one of many VSES-disabling DTCs. The EBCM sends a serial data message to the IPC requesting illumination.
Traction Control System Indicator
TRAC OFF The instrument panel cluster (IPC) illuminates the TRAC OFF indicator when the following occurs:
?€¢
The electronic brake control module (EBCM) inhibits the traction control system due to a malfunction in the traction control system. The IPC receives a serial data message from the EBCM requesting illumination.


?€¢
The Body Control module (BCM) detects that the traction control switch has been pressed (signal circuit is low). The Body Control module (BCM) sends a serial data message to the EBCM in order to disable traction control. The IPC receives a serial data message from the EBCM requesting illumination. The BCM sends a serial data message to the radio in order to activate an audible warning.


Your best bet is to take it to a ASE certified an qualified repair shop ,that has the diagnostic tool to fix this problem .

Jun 17, 2012 | 2007 Chevrolet Equinox LS New Cars

1 Answer

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


check the gas pedal if it doesnt have a cable it tends to go out it is a drive by wire system g.m. vehicles have a common problem

Feb 12, 2010 | 2003 GMC Yukon Denali

1 Answer

What is esp off alert on dashboard


ESP means Electronic Stability Program.

Resources @ http://www.caradvice.com.au/14153/2008-kia-sportage-review/

ESP monitors the vehicle's response to the driver's steering and braking inputs to detect oversteer or understeer. If sensors detect that a skidding condition is developing, ESP brakes individual front or rear wheels and/or reduces excess power as needed to help keep the vehicle going in the direction the driver is steering.

What does the ESP off switch do?
The switch disables ESP's capability to reduce the engine torque. It also reduces the ESP intervention threshold to about 20%.

How do I know ESP is working?
The triangle in the center of the speedometer flashes when ESP intervenes; either with ESP switched on or off. It's a reminder to adjust your speed to the prevailing road conditions, usually by reducing it. If instead one "steps on it", with ESP ON, the engine power may be reduced to prevent a potentially critical situation.

Electronic Stability Program (ESP®)
The standard-fitted ESP® system selectively applies braking forces to the front and rear wheels in such a way as to reduce the risk of skids and slides and help the driver maintain control in critical situations. The system extends the technology of the anti-lock braking and acceleration skid control systems with a range of additional sensors which are used principally to detect yaw motion.

The ESP® computer continuously compares the actual behaviour of the vehicle with the computed ideal values. The moment the car deviates from the direction intended by the driver, specially developed control logic causes the system to intervene with split-second speed to bring the car back on track. It does this in two ways:

    Precisely controlled braking at one or more wheels

    Reducing engine power.

ESP® in this way helps to stabilise the vehicle in critical situations.

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Sep 02, 2009 | Kia Sportage LX Cars & Trucks

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