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Thread: 000296 - Coolant Thermostat Valve (N214)

  1. #1
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    000296 - Coolant Thermostat Valve (N214)

    VCDS Version: Release 18.2.1 (x64) Running on Windows 10 x64

    Address 01: Engine Labels: Redir Fail!
    Control Module Part Number: 070 906 016 CQ HW: 028 101 196 2
    Component and/or Version: V10 5,0L EDCG000AGMª8472
    Software Coding: 0060575
    Work Shop Code: WSC 31414 000 00000
    VCID: 619F59766D5096BF1EA-5160
    1 Fault Found:

    000296 - Coolant Thermostat Valve (N214)
    P0128 - 000 - Temperature below Control Range
    Freeze Frame:
    Fault Status: 01110000
    Fault Priority: 0
    Fault Frequency: 2
    Reset counter: 255
    Mileage: 78586 km
    Time Indication: 0

    Freeze Frame:
    RPM: 1470 /min
    Speed: 42.8 km/h
    Temperature: 68.4°C
    Fuel Consump.: 7.60 l/h
    Temperature: 29.7°C
    Temperature: 27.9°C
    Absolute Pres.: 1101.6 mbar

    Readiness: 1 1 0 0 0


  2. #2
    Benevolent Dictator Uwe's Avatar
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    Jan 2014
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    Check MVB 001.4 to see what the ECU thinks the coolan temperature actually is. Check it after the vehicle has sat overnight. It should be within a few degrees of ambient. Then watch (or better yet, log) it after you start the engine and go for a drive to see what happens to it.

    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  3. #3
    NostraJackAss Jack@European_Parts's Avatar
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    Jan 2014
    1001 State Route 17K Montgomery New York 12549
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    In addition to his Eminence recommendation.
    Please post a complete auto-scan because this vehicle supports master/slave ECU's
    Check for coolant level being proper & leaks further PSI hold, most importantly check expansion tank cap and o-ring for proper fit/seal, in addition to quality of coolant.
    If coolant out of range during logs, change the thermostat control valve.

    Control Module Part Number: 070 906 016 CQ HW: 028 101 196 2
    Component and/or Version: V10 5,0L EDCG000AGMª8472<<<<<<<<<<<<<<<<<<<<<< Firmware update required 9805 or higher!

    0x01 MASTER and 0x11 SLAVE

    Last edited by Jack@European_Parts; 08-05-2018 at 07:52 PM.
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  5. #4
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    Of course do the above but know that failure of the Map Controlled Engine Cooling Thermostat (F265 per RTFB) on our V10’s is common and indicated by failure to reach operating temp.

  6. #5
    Administrator Andy's Avatar
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    Jan 2014
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    Have you tried the firmware suggestion from this thread? Try clearing codes using Generic OBD2 since both ECUs may have faults stored. Feel free to post a fresh, complete AutoScan.

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