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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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Common on this vehicle:Loss of engine power, no accelerationStalls or shuts offWarning lightReduced brakingVibration or shudder

remedyThrottle BodyRemove

Record by record

14 records state a cause or a remedy. Each record is shown as short labels in the order fault → finding the cause → correction. Press a label to narrow to the records that state it.

Symptom

Component named as the cause

Work done

How it is said to have ended

  • says it held for a while3
  • says it came back9
  • says it did not fix it11
  • result not stated12

A ribbon is as wide as the records that state both of its ends (only the commonest are drawn). A record that names several symptoms or components runs through each. Orange is records that say the fault came back or was not fixed. Results come from owners’ reports only; one that does not say is “result not stated”. None of this is a likelihood of a cause or a rate at which work succeeds.

Read the records one by one (14)

Known issuesReduced Engine Power from throttle body connector crimp, broken wire or grounds4

  1. Owner complaint2003 GMC YUKON XL 2500 ・ 2010-03-10

    Service engine light and reduced power mode episodes since November 2008

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    SINCE NOVEMBER 2008, MY 2003 GMC YUKON XL 2500 HAS HAD EPISODES WHERE THE SERVICE ENGINE LIGHT COMES ON AND THE ENGINE GOES INTO REDUCED POWER MODE.
    Remedy
    I HAVE TAKEN IT TO NUMEROUS GM DEALERS TO FIX THE PROBLEM, AND THEY HAVE REPLACED THE THROTTLE BODY ASSEMBLE AND WIRING HARNESS MULTIPLE TIMES AND THE PROBLEM KEEPS RECURRING.
    Consequence
    THERE HAVE BEEN MANY CLOSE EPISODES WHERE WE WERE ALMOST IN AN ACCIDENT.

  2. Owner complaint2006 GMC YUKON XL ・ 2020-07-27

    Check engine codes returning repeatedly; reduced power mode

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    I WAS DRIVING AND MY CAR WENT INTO REDUCED POWER MODE.
    Remedy
    I'VE SINCE CLEANED THE MASS AIR FLOW SENSOR AND THROTTLE BODY. (1 more)
    Inspection
    I'VE TAKEN IT TO A MECHANIC WHO SAID THAT I DID EVERY STEP THEY'VE WOULD HAVE DONE TO TROUBLESHOOT THIS PROBLEM.

  3. Owner complaint2003 GMC YUKON XL 1500 ・ 2015-09-28

    Check engine light and reduced power warning with complete loss of acceleration, braking and steering

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE TRAVELING TO WORK MY VEHICLES CHECK ENGINE LIGHT CAME ON AND THE REDUCED POWER WARNING CAME ON AT WHICH TIME I HAD COMPLETE LOSS OF ACCELERATION, COMPLETE LOSS OF BRAKING, AND COMPLETE LOSS OF STEERING POWER. (1 more)
    Remedy
    I HAVE ALREADY REPLACED THE THROTTLE HOUSING AND HARNESS COMPONENTS, ACCELERATION PEDAL SENSOR AND YET THE ISSUE CONTINUES, SOMEONE IS GOING TO ( DIE ) BECAUSE OF GMC'S LACK OF CONCERN AND RESPONSIBILITY TO OWNERS OF THEIR PRODUCTS.

  4. Owner complaint2003 GMC YUKON XL ・ 2010-09-04

    Stalling and engine power reduced light; code P2135

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

ENGINE4

  1. Owner complaint2004 GMC YUKON DENALI XL ・ 2015-09-23

    Engine stalls while driving at approximately 60 MPH

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE DRIVING APPROXIMATELY 60 MPH (= 96.6 km/h), THE VEHICLE STALLED. (1 more)
    Remedy
    THE MECHANIC REPLACED THE TAC MODULE AND ELECTRONIC THROTTLE BODY, BUT THE FAILURE RECURRED. (1 more)

  2. Owner complaint2003 GMC YUKON DENALI XL ・ 2014-11-23

    Vehicle powers down without pattern, reduced engine power light on, steering and brakes hard

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    VEHICLE POWERS DOWN WITHOUT ANY PATTERN, RHYME OR REASON. (5 more)
    Remedy
    I HAVE REPLACED THE BATTERY, THROTTLE BODY ASSEMBLY AND WIRING HARNESS TWICE. (2 more)
    Consequence
    IT PUT ME IN THE DITCH. (1 more)

  3. Owner complaint2001 GMC YUKON XL 1500 ・ 2015-07-10

    Reduced engine power error while driving on expressway

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    I PULLED OVER AND THE REDUCED ENGINE POWER ERROR WAS ILLUMINATED.
    Remedy
    IT WAS REPLACED, BUT I WAS CONCERNED ABOUT THE THROTTLE BODY AS WELL.
    Inspection
    MY MECHANIC NARROWED THE PROBLEM DOWN TO THE ACCELERATOR SENSOR LOCATED ON THE GAS PEDAL.

  4. Owner complaint2004 GMC YUKON XL 1500 ・ 2012-05-20

    Warning light and engine speed reduction while driving, intermittent

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    2004 GMC YUKON XL: WHILE DRIVING AT NORMAL SPEEDS THIS VEHICLE WILL HAVE A WARNING LIGHT COME ON THAT SAYS "REDUCED ENGINE SPEED" THEN IT SHUTS DOWN TO 30 MPH (= 48.3 km/h) INSTANTLY. (2 more)
    Inspection
    THEY SAID IT WAS THE THROTTLE BODY.
    Consequence
    A FEW OF THE TIMES ALMOST RESULTED IN FATAL CONSEQUENCES IN HIGH TRAFFIC.

ENGINE AND ENGINE COOLING4

  1. Owner complaint2002 GMC YUKON XL DENALI ・ 2008-03-27

    Vehicle stalled while driving at 65 MPH; braking and power steering lost

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE DRIVING ABOUT 65 MPH (= 104.6 km/h) UNDER NORMAL DRY CONDITIONS THE VEHICLE STALLED. (1 more)
    Remedy
    THE VEHICLE HAD BEEN TAKEN TO THE DEALER WHERE THEY FIXED THE THROTTLE BODY AND WATER PUMP.
    Consequence
    THE CONTACT WAS ABLE TO GET THE VEHICLE TO THE SIDE OF THE ROAD WITHOUT A CRASH.

  2. Owner complaint2004 GMC YUKON DENALI XL ・ 2011-06-24

    Stability system disabled and engine power warning

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE DRIVING ON HIGHWAY OR WITHIN CITY, THE TRUCK DISPLAYS A WARNING "STABILITY SYSTEM DISABLED, REDUCED ENGINE POWER".
    Remedy
    TO DATE THE THROTTLE BODY HAS BEEN REPLACED HOWEVER THE CONDITION RETURNED 1 WEEK LATER, UNDER NORMAL DRIVING CONDITIONS.

  3. Owner complaint2003 GMC YUKON DENALI XL ・ 2010-04-13

    Engine shuts down completely while driving at 65 mph with no warning

    1. 1Fault

      WHILE DRIVING AT APPROXIMATELY 65 MPH (= 104.6 km/h), THE ENGINE SHUT DOWN COMPLETELY WITH NO PRIOR WARNING. (1 more)

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE DRIVING AT APPROXIMATELY 65 MPH (= 104.6 km/h), THE ENGINE SHUT DOWN COMPLETELY WITH NO PRIOR WARNING. (1 more)
    Remedy
    IN JANUARY 2010, THE DEALER REPLACED THE THROTTLE BODY ASSEMBLY.

  4. Owner complaint2002 GMC YUKON XL DENALI ・ 2004-04-29

    Vehicle hesitation during left turn, delayed gear engagement

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    THIS PROBLEM HAS BEEN GOING ON FOR MORE THAN A YEAR AND A HALF.

ELECTRICAL SYSTEM1

  1. Owner complaint2003 GMC YUKON XL 1500 ・ 2016-06-16

    Reduced engine power warning light flashing randomly, speed reduced to less than 20 MPH

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    THE CONTACT MENTIONED THAT THE PREVIOUS OWNER OF THE VEHICLE EXPERIENCED A FAILURE WITH THE REDUCED ENGINE POWER WARNING INDICATOR. (1 more)
    Remedy
    THE DEALER REPLACED THE THROTTLE BODY, BUT THE FAILURE CONTINUED BEFORE THE CONTACT OWNED THE VEHICLE. (2 more)
    Outcome
    THE REPAIRS FAILED TO PROVIDE A PERMANENT SOLUTION AND THE WARNING LIGHT CONTINUED TO ILLUMINATE FOR THE REDUCED ENGINE POWER.

UNKNOWN OR OTHER1

  1. Owner complaint2003 GMC YUKON XL ・ 2007-10-08

    Steering wheel and pedals vibration at idle

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    VIBRATION OF STEERING WHEEL AND PEDALS AT IDLE ON 2003 GMC YUKON XL 5.3L.

1 owner complaints have no classified sentences yet, so their causes and repairs are not picked out. Their text is in the list of records.