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How much does it cost to repair a HDM module on a 2007 Buick lacrosse


  • Subject of a RECALL so free
  • http://www.dealerrater.ca/recalls/Buick/LACROSSE/
  • 2007 Buick LaCrosse Recall Item Affected: EXTERIOR LIGHTING: HEADLIGHTS Date Announced: 08-14-2015 Description of Recall: General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing the headlamps and daytime running lights to not illuminate. Action Need To Fix It: GM will notify owners, and dealers will replace the HDM, free of charge. Interim notices were mailed to owners on September 2, 2015. Dealers will install a new HDM Service part as an interim repair. Owners will receive a second notice when remedy parts are available. Owners may contact Buick customer service at 1-800-521-7300 or Pontiac customer service at 1-800-762-2737. GM's number for this recall is 14291. FIND YOUR LOCAL Buick Service Centre
  • Buick Lacrosse Fires Caused by Faulty HDM Module? ' R.J ... https://rjhillconsulting.wordpress.com/2014/07/23/buick-lacrosse... 2014-07-23 · On 7/2/15 my 2009 Buick LaCross fuse box caught fire, I have since then learned that it began in the HDM module. There is a Technical Service Bulletin for ...
  • What is a Buick hdm module - Answers.com www.answers.com > ... > Pontiac > Pontiac Grand Prix > Grand Prix SE It is the headlight drive module. It is used for daytime running lights and low beam operation. It works in conjunction with the light sensor on top.

  • Buick Lacrosse Fires Caused by Faulty HDM Module? ' R.J ... https://rjhillconsulting.wordpress.com/2014/07/23/buick-lacrosse... 2014-07-23 · On 7/2/15 my 2009 Buick LaCross fuse box caught fire, I have since then learned that it began in the HDM module. There is a Technical Service Bulletin for ...
  • What is a Buick hdm module - Answers.com www.answers.com > ... > Pontiac > Pontiac Grand Prix > Grand Prix SE It is the headlight drive module. It is used for daytime running lights and low beam operation. It works in conjunction with the light sensor on top.
  • Buick LaCrosse Recalls DealerRater

    May 23, 2016 | Buick Cars & Trucks

    1 Answer

    2006 Buick Lacrosse seems to be losing power on grades, like fuel filter...


    Most likely an ignition coil. Do you have any diagnostic codes?

    Nov 01, 2015 | 2006 Buick LaCrosse

    1 Answer

    How to fix 2010 Buick Lacrosse stabilitrak?


    You first need to find out what DTC'S diagnostic trouble codes are stored in the electronic brake control module . I suggest you take the vehicle to a reputable ASE certified repair shop . There is nothing you can do !

    Jul 30, 2015 | 2010 Buick LaCrosse

    1 Answer

    2006 buick lacrosse My car is running hot I changed the water pump radiator and thermostat already


    I am currently having the same problem with my 2006 Buick lacrosse I changed water pump, thermostat , radiator, radiator car bled it add dex coolant but it's still running hot...got it tested for the psi n it came bak good reading

    Jan 17, 2014 | 2006 Buick LaCrosse CXL

    1 Answer

    What are the probable causes of DTC P2444?


    Hello Please read this carefully. This info directly relates to the code you are having. I will include a troubleshooting tree at the bottom. If there are any other codes or if you need further info please let me know:

    SYSTEM DESCRIPTION The secondary air injection (AIR) system aids in the reduction of hydrocarbon emissions during a cold start. The system forces fresh filtered air into the exhaust stream in order to accelerate the catalyst operation. An electric air pump, the AIR pump, provides filtered air on demand to the AIR control solenoid valve/pressure sensor assembly. The AIR control solenoid valve/pressure sensor assembly controls the flow of air from the AIR pump to the exhaust manifold. The AIR valve relay supplies the current needed to operate the AIR control solenoid valve/pressure sensor assembly. A pressure sensor is used to monitor the air flow from the AIR pump. The powertrain control module (PCM) supplies the internal pressure sensor with a 5-volt reference, an electrical ground, and a signal circuit.

    The AIR diagnostic uses 3 phases to test the AIR system:
    • DTCs P0411 and P2430 run during Phase 1
    • DTCs P2430 and P2440 run during Phase 2
    • DTC P2444 runs during Phase 3
    In all 3 phases, testing is accomplished by comparing the measured pressure against the expected pressure. The PCM can detect faults in the AIR pump, AIR control solenoid valve/pressure sensor assembly, and the exhaust check valve. The pressure sensor can also detect leaks and restrictions in the secondary AIR system plumbing.

    The DTC P2444 Secondary Air Injection (AIR) Pump is Stuck ON diagnostic monitors the system pressure signal during test phase 3. When the PCM determines the AIR pressure sensor signal is higher than expected, DTC P2444 sets.

    DTC DESCRIPTOR
    This diagnostic supports the following DTC:
    • DTC P2444 Secondary Air Injection (AIR) System Pump Stuck On
    CONDITIONS FOR RUNNING THE DTC
    • DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0201, P0202, P0203, P0204, P0205, P0206, P0300, P0350, P0411, P0412, P0418, P0420, P0606, P0641, P0651, P1350, P2430, P2431, P2432, P2433, P2440 are not set.
    • The system voltage is between 10-18 volts .
    • The engine is running.
    • The start-up engine coolant temperature (ECT) parameter is between 5-50°C (41-122°F) .
    • The start-up intake air temperature (IAT) parameter is between 5-60°C (41-140°F) .
    • The BARO parameter is more than 60 kPa .
    • The MAF sensor parameter is between 3-24 g/s .
    • DTC P2444 runs once per trip start-up when the above conditions are met and the AIR pump operation is requested.
    CONDITIONS FOR SETTING THE DTC
    The measured AIR pressure is more than expected during AIR pump Phase 3 operation. DTC P2444 sets within 5 seconds when the above conditions are met.

    ACTION TAKEN WHEN THE DTC SETS
    • The PCM illuminates the malfunction indicator lamp (MIL) during the first key cycle in which the diagnostic trouble code (DTC) sets.
    • The PCM records the operating conditions at the time the diagnostic fails. This information is stored in the Freeze Frame buffer.
    CONDITIONS FOR CLEARING THE MIL/DTC
    • The PCM turns OFF the MIL on the third consecutive trip cycle during which the diagnostic has been run and the fault condition is no longer present.
    • A DTC will clear after 40 consecutive warm-up cycles have occurred without a fault.
    • A DTC can be cleared by using the scan tool Clear Information function.
    DIAGNOSTIC AIDS

    Inspect for any of the following conditions:
    • The resistance of the AIR pump relay coil (across terminal 85 and terminal 86) is 50-70 ohms at 20°C (68°F) . In the normal unenergized state, the resistance of the open relay contacts (across terminal 30 and terminal 87) is infinite.
    • The AIR pump relays electrical contacts may be pitted and sticking. Replace the relay if tapping gently on the relay or wiggling the relay causes a change in the relays operation.
    • The performance of the AIR pump relay may be affected by temperature. Check the relay after sitting outside overnight and after running the engine 30 minutes .
    • An intermittent malfunction may be caused by a fault in an AIR system electrical circuit. Inspect the wiring harness and components for an intermittent condition.


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    The numbers below refer to the step numbers on the diagnostic table.
    1. This step tests for the correct operation of the AIR pump. When the AIR pump relay is commanded ON with the scan tool, only the AIR pump relay is energized. When the AIR valve relay is commanded ON with the scan tool, both the AIR pump and the AIR valve relays are energized.
    2. This step tests for the correct operation of the AIR pump relay.

    Nov 27, 2013 | 2005 Buick LaCrosse

    1 Answer

    P2444 diagnostic code, what does it mean?


    secondary air pump, check pipes for any splits

    Nov 27, 2013 | 2005 Buick LaCrosse

    1 Answer

    2006 buick lacrosse - speedometer stopped working properly


    Sounds like you need to replace your speedometer cable that runs from your dash to your transmission.

    Dec 15, 2012 | 2006 Buick LaCrosse

    1 Answer

    Engine light on in 2006 buick lacross


    HI. This will require you to have the engine CPU scanned for trouble code's. This can only be administered with the assistance of a diagnostic computer scan tool. You can purchase this tool at your local auto parts store, or you can just have the scan ran at your local auto zone parts store, free of charge. Once the diagnostic scan is administered, you will be able to isolate the issues that have caused the check engine light to illuminate.

    This scan tool will display a print out code and the location of the issue, on the engine, as well. There are Many issues that will cause the engine light to illuminate, but the most common cause will be a failed monitoring sensor, or sensor harness failure(separated power wire, or ground).

    Once you have the codes, kindly return to the site, and post them here. We will be able to assist with more accuracy, once the codes are posted.

    Thanks..

    Mar 31, 2010 | 2005 Buick LaCrosse

    1 Answer

    Replace headlight on 2006 buick lacrosse


    how do you remove r/h headlight assembly 2006 lacrosse to install low beam bulb?

    Nov 15, 2009 | 2006 Buick LaCrosse

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