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Thread: MY12 D4 3.0 White Smoke and limp Mode/Restricted Performance Towing Caravan Uphill

  1. #1
    Join Date
    Oct 2017
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    MY12 D4 3.0 White Smoke and limp Mode/Restricted Performance Towing Caravan Uphill

    Hi,

    I have a MY12 3.0L Diesel D4 - I purchased this vehicle new and starting towing a 3T caravan with it 3 years ago - only 125K on vehicle and well serviced by Ayers Automotive in Sydney - about 6 months ago had Timing Belts replaced and had the Turbo Drain issue fixed at same time - no problems until last week during trip with friends towing caravan to Lightning Ridge.

    First event was driving up steep incline with caravan when white smoke starting pouring out of vehicle which then quickly went into limp mode. I was able to get vehicle and caravan off of the 2 lane highway and turned ignition off and then back on and all good again.

    Travelled another 500KM or so over the next few days without incident and then coming home up the great divide south of Gunnedah a warning message appeared saying that I was operating in Restricted Performance mode. I drove a few KM to a servo and again turned ignition off and then back on and all good again. Drove another 300KM to Sydney with no incident.

    Today I used my new OBD2 Australia BT scan tool linked to an Android App called ELM-OBD2 and was able to extract the following high level fault codes:

    ============1==============
    P006A(00)
    Raw code: 006A00
    ECU: Engine control unit[Archive (inactive)]
    Status: Test failed since last DTC clear
    OBDII: MAP sensor/MAF or VAF sensor bank 1 - correlation

    ============2==============
    P00BE(07)
    Raw code: 00BE07
    ECU: Engine control unit[Archive (inactive)]
    Status: Test failed since last DTC clear
    OBDII: Mass air flow (MAF) sensor B - circuit range/performance

    ============3==============
    P1247(00)
    Raw code: 124700
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear, Test not completed during this operation cycle
    OBDII: Turbo Boost Pressure Low

    ============4==============
    P2263(22)
    Raw code: 226322
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear, Test not completed during this operation cycle
    OBDII: Turbocharger (TC) boost pressure/supercharger (SC) boost pressure - performance problem

    ============5==============
    P226B(00)
    Raw code: 226B00
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear
    OBDII: Turbocharger (TC)/supercharger (SC) boost pressure - pressure too high

    ============6==============
    P0488(72)
    Raw code: 048872
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear
    OBDII: Exhaust gas recirculation (EGR) system, throttle position control - range/performance problem

    ============7==============
    P004D(77)
    Raw code: 004D77
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear
    OBDII: Turbocharger (TC)/supercharger (SC) boost pressure control B - circuit high

    ============8==============
    P006A(00)
    Raw code: 006A00
    ECU: Engine control unit[Archive (inactive)]
    Status: Test failed since last DTC clear
    OBDII: MAP sensor/MAF or VAF sensor bank 1 - correlation

    ============9==============
    P00BE(07)
    Raw code: 00BE07
    ECU: Engine control unit[Archive (inactive)]
    Status: Test failed since last DTC clear
    OBDII: Mass air flow (MAF) sensor B - circuit range/performance

    ============10==============
    P1247(00)
    Raw code: 124700
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear, Test not completed during this operation cycle
    OBDII: Turbo Boost Pressure Low

    ============11==============
    P2263(22)
    Raw code: 226322
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear, Test not completed during this operation cycle
    OBDII: Turbocharger (TC) boost pressure/supercharger (SC) boost pressure - performance problem

    ============12==============
    P226B(00)
    Raw code: 226B00
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear
    OBDII: Turbocharger (TC)/supercharger (SC) boost pressure - pressure too high

    ============13==============
    P0488(72)
    Raw code: 048872
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear
    OBDII: Exhaust gas recirculation (EGR) system, throttle position control - range/performance problem

    ============14==============
    P004D(77)
    Raw code: 004D77
    ECU: Engine control unit[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear
    OBDII: Turbocharger (TC)/supercharger (SC) boost pressure control B - circuit high

    ============15==============
    B1B01(87)
    Raw code: 9B0187
    ECU: BCM[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear

    ============16==============
    B1D01(15)
    Raw code: 9D0115
    ECU: BCM
    Status: Pending, Confirmed, Test failed since last DTC clear, Test not completed during this operation cycle

    ============17==============
    B12EE(11)
    Raw code: 92EE11
    ECU: BCM[Archive (inactive)]
    Status: Test failed since last DTC clear, Test not completed during this operation cycle

    ============18==============
    B12EE(15)
    Raw code: 92EE15
    ECU: BCM[Archive (inactive)]
    Status: Test failed since last DTC clear, Test not completed during this operation cycle

    ============19==============
    B1B01(87)
    Raw code: 9B0187
    ECU: Body Control Module/Gateway Module[Archive (inactive)]
    Status: Confirmed, Test failed since last DTC clear

    ============20==============
    B1D01(15)
    Raw code: 9D0115
    ECU: Body Control Module/Gateway Module
    Status: Pending, Confirmed, Test failed since last DTC clear, Test not completed during this operation cycle

    ============21==============
    B12EE(11)
    Raw code: 92EE11
    ECU: Body Control Module/Gateway Module[Archive (inactive)]
    Status: Test failed since last DTC clear, Test not completed during this operation cycle

    ============22==============
    B12EE(15)
    Raw code: 92EE15
    ECU: Body Control Module/Gateway Module[Archive (inactive)]
    Status: Test failed since last DTC clear, Test not completed during this operation cycle


    Any ideas on what is causing this intermittent issue?

  2. #2
    Join Date
    Feb 2009
    Location
    Melbourne
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    Well, my pa done taught me that blue smoke is oil, and white smoke is water... checked your levels? There's a bunch of codes, they could all just be knock ons...
    Now 2016 D4 HSE 'Leo' and Steve the Triumph Speed Twin
    Then 2010 D4 3.0 HSE 'James'
    Then 2010 RRS TDV8 'Roger' w traxide DBS, UHF, Cooper Zeons, Superchips remap
    Then 2010 D4 TDV6 'Jumbo' w traxide DBS
    First love 2002 D2 TD5 'Disco Stu'

  3. #3
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    Buddy you’ll have split an intake manifold most likely or intercooler or something. The errors you’re getting indicate a leak somewhere in the system. Most common are split manifolds. They’re plastic and fatigue fail.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

  4. #4
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    First thing i would do is check the intercooler hoses,or replace them if they are the original ones.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

  5. #5
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    MY12 D4 3.0 White Smoke and limp Mode/Restricted Performance Towing Caravan Uphill

    Quote Originally Posted by scarry View Post
    First thing i would do is check the intercooler hoses,or replace them if they are the original ones.
    3L don’t do hoses like the 2.7L

    They split both manifolds, throttle body and intercooler as the general reason for these errors.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

  6. #6
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    Clean both the MAF sensors and MAP too, they can carbon up and can give trouble too

  7. #7
    Join Date
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    Well I took my vehicle to my local indie for diagnostics and they found the following:

    - Primary Turbo "looks a bit sticky and may be faulty"
    - Throttle body plate will stick in closed position if closed manually and scan tool is reporting throttle open 2.35% when throttle fully opened
    - Secondary Turbo is leaking oil quite badly (note oil drain fix implemented by this indie about 6 months ago) and turbine shut off valve failed the on-demand test but came good
    - Cleared all faults and extensive test drive but no faults reappeared.

    Advised to keep driving vehicle until faults re-appeared but they suspect that both turbo's and throttle body will have to be replaced at estimated cost of $15,000.00!

    Cost of these potential repairs seems very high to me. Does this repair cost seem reasonable to others?

  8. #8
    Join Date
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    Both turbo's on mine were done within 2 years of each other. Luckily the most difficult one (the variable vane turbo) was done under my extended warranty, at the time LR advised me that that the total repair bill was around 10k. This is because it's a body off job to access the turbo. They did the drain pipe mod at the same time. The 2nd turbo went 2 years ago and that cost me 4300 out of my pocket. So the prices look about right. Check though that the actuators can be freed up with a bit of wd40 and cleaning out the mechanism. Throttle body replacement is easy DIY so you could save done coin there.

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