Important Notice

Blue&Me repair Fiat Alfa Lancia

DiPa Code:
BLUEME057R
OEM Code:
51943247
Brand:
DIPA SPORT
Condition:
Remanufactured
Blue&Me Module
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Warnings
WARNING: A proxy re-alignment may be necessary using appropriate diagnostic tools
Typical Errors and Defects

Typical Defects:
Bluetooth does not work, does not connect with the mobile phone
The kilometers flash on the instrument panel
The USB stick does not work
The battery tends to discharge abnormally, especially after short periods of inactivity
The steering wheel controls do not respond or work partially
The hands-free system stops working
Unable to perform proxy alignment
Does not enter diagnostics

Error Codes:
147164 - Generic error
147180 - Generic error
147188 - Generic error
147210 - Generic error
147216 - Generic error
147247 - Generic error
147252 - Generic error
147268 - Generic error
168689 - Generic error
168697 - Generic error
168699 - Generic error
168702 - Generic error
168703 - Generic error
168713 - Generic error
168715 - Generic error
168731 - Generic error
168743 - Generic error
47204 - Generic error
B1005 - Diagnostic sensor unit
B1039 - Dynamic control selector input
B10AA - Proxy configuration control
P0022 - Convergence node control unit
U1602 - CAN bus line error, off/intermittent
U1701 - Communication error with body computer
U1707 - Info-telematics control unit/Convergence control unit
U1733 - Communication with telematics system, missing message

Applications
ALFA ROMEO
ALFA ROMEO GIULIETTA (940_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
GIULIETTA (940_) 2010-04-01 - 2013-09-01 1742 cc 169 KW 230 HP 4 Cylinders Gasoline 940 A1.000
GIULIETTA (940_) 2010-04-01 - 2016-02-01 1368 cc 85 KW 116 HP 4 Cylinders Gasoline 940 A6.000
GIULIETTA (940_) 2010-04-01 - 2016-02-01 1956 cc 100 KW 136 HP 4 Cylinders Diesel 940 A8.000
GIULIETTA (940_) 2010-04-01 - 2016-02-01 1956 cc 100 KW 136 HP 4 Cylinders Diesel 940 B6.000
GIULIETTA (940_) 2010-04-01 - 2016-02-01 1956 cc 100 KW 136 HP 4 Cylinders Diesel 940 C4.000
GIULIETTA (940_) 2010-04-01 - 2016-02-01 1742 cc 173 KW 235 HP 4 Cylinders Gasoline 940 A1.000
GIULIETTA (940_) 2010-04-01 - 2016-02-01 1598 cc 77 KW 105 HP 4 Cylinders Diesel 940 A3.000
GIULIETTA (940_) 2010-04-01 - 2018-10-01 1956 cc 120 KW 163 HP 4 Cylinders Diesel 940 A7.000
GIULIETTA (940_) 2010-04-01 - 2018-10-01 1956 cc 120 KW 163 HP 4 Cylinders Diesel 940 B9.000
GIULIETTA (940_) 2010-04-01 - 2018-10-01 1368 cc 120 KW 163 HP 4 Cylinders Gasoline 955 A8.000
GIULIETTA (940_) 2010-04-01 - 2018-10-01 1368 cc 125 KW 170 HP 4 Cylinders Gasoline 940 A2.000
GIULIETTA (940_) 2010-04-01 - 2020-12-01 1956 cc 103 KW 140 HP 4 Cylinders Diesel 940 A5.000
GIULIETTA (940_) 2010-04-01 - 2020-12-01 1368 cc 88 KW 120 HP 4 Cylinders Gasoline 198 A4.000
GIULIETTA (940_) 2010-04-01 - 2020-12-01 1368 cc 88 KW 120 HP 4 Cylinders Gasoline 940 B7.000
GIULIETTA (940_) 2010-04-01 - 2020-12-01 1956 cc 125 KW 170 HP 4 Cylinders Diesel 940 A4.000
GIULIETTA (940_) 2010-04-01 - 2020-12-01 1956 cc 125 KW 170 HP 4 Cylinders Diesel 552 83 099
GIULIETTA (940_) 2011-04-01 - 2017-02-01 1368 cc 77 KW 105 HP 4 Cylinders Gasoline 940 B1.000
GIULIETTA (940_) 2011-04-01 - 2017-02-01 1368 cc 77 KW 105 HP 4 Cylinders Gasoline 940 B8.000
GIULIETTA (940_) 2011-12-01 - 2017-02-01 1368 cc 88 KW 120 HP 4 Cylinders Benzina/Gasauto (GPL) 198 A4.000
GIULIETTA (940_) 2013-08-01 - 2018-10-01 1956 cc 110 KW 150 HP 4 Cylinders Diesel 940 B5.000
GIULIETTA (940_) 2013-08-01 - 2018-10-01 1956 cc 110 KW 150 HP 4 Cylinders Diesel 940 C3.000
GIULIETTA (940_) 2013-09-01 - 2018-10-01 1742 cc 177 KW 241 HP 4 Cylinders Gasoline 940 B2.000
GIULIETTA (940_) 2013-11-01 - 2018-10-01 1956 cc 129 KW 175 HP 4 Cylinders Diesel 940 B4.000
GIULIETTA (940_) 2014-09-01 - 2018-10-01 1368 cc 110 KW 150 HP 4 Cylinders Gasoline 940 C2.000
GIULIETTA (940_) 2015-02-01 - 2020-12-01 1598 cc 88 KW 120 HP 4 Cylinders Diesel 940 C5.000
GIULIETTA (940_) 2015-02-01 - 2020-12-01 1598 cc 88 KW 120 HP 4 Cylinders Diesel 940 C1.000
GIULIETTA (940_) 2015-02-01 - 2020-12-01 1598 cc 88 KW 120 HP 4 Cylinders Diesel 552 80 444
GIULIETTA (940_) 2015-09-01 - 2018-10-01 1598 cc 85 KW 116 HP 4 Cylinders Diesel 940 C5.000
FIAT
FIAT 500 (312_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
500 (312_) 2007-07-01 - 1242 cc 51 KW 69 HP 4 Cylinders Gasoline 169 A4.000
500 (312_) 2007-10-01 - 1368 cc 74 KW 100 HP 4 Cylinders Gasoline 169 A3.000
500 (312_) 2007-10-01 - 1248 cc 55 KW 75 HP 4 Cylinders Diesel 169 A1.000
500 (312_) 2008-09-01 - 1368 cc 75 KW 102 HP 4 Cylinders Gasoline 169 A3.000
500 (312_) 2009-02-01 - 1368 cc 77 KW 105 HP 4 Cylinders Gasoline 169 A3.000
500 (312_) 2009-12-01 - 1248 cc 70 KW 95 HP 4 Cylinders Diesel 199 B1.000
500 (312_) 2009-12-01 - 1248 cc 70 KW 95 HP 4 Cylinders Diesel 312 B1.000
500 (312_) 2010-01-01 - cc 24 KW 33 HP Cylinders Elettrico 24
500 (312_) 2010-07-01 - 875 cc 63 KW 86 HP 2 Cylinders Gasoline 312 A2.000
500 (312_) 2010-12-01 - 1242 cc 51 KW 69 HP 4 Cylinders Benzina/Gasauto (GPL) 169 A4.000
500 (312_) 2011-01-01 - 2017-12-01 1368 cc 65 KW 88 HP 4 Cylinders Benzina/Etanolo 327 A.011
500 (312_) 2011-08-01 - 1368 cc 79 KW 107 HP 4 Cylinders Benzina/Etanolo 169 A3.000
500 (312_) 2011-09-01 - 1368 cc 62 KW 85 HP 4 Cylinders Gasoline 310 A2.011
500 (312_) 2012-09-01 - 964 cc 48 KW 65 HP 2 Cylinders Gasoline 312 A4.000
500 (312_) 2012-09-01 - cc 83 KW 113 HP Cylinders Elettrico E99
500 (312_) 2013-02-01 - 1368 cc 99 KW 135 HP 4 Cylinders Gasoline 312 A1.000
500 (312_) 2013-09-01 - 1368 cc 101 KW 137 HP 4 Cylinders Gasoline EAF
500 (312_) 2013-09-01 - 1368 cc 101 KW 137 HP 4 Cylinders Gasoline EAM
500 (312_) 2013-10-01 - 875 cc 77 KW 105 HP 2 Cylinders Gasoline 199 B6.000
500 (312_) 2013-12-01 - 964 cc 44 KW 60 HP 2 Cylinders Gasoline 312 A4.000
500 (312_) 2013-12-01 - 964 cc 44 KW 60 HP 2 Cylinders Gasoline 312 A6.000
500 (312_) 2013-12-01 - 875 cc 59 KW 80 HP 2 Cylinders Gasoline 312 A5.000
500 (312_) 2014-11-01 - 2015-12-01 1368 cc 123 KW 167 HP 4 Cylinders Gasoline 312 A1.000
500 (312_) 2014-11-01 - 2015-12-01 1368 cc 123 KW 167 HP 4 Cylinders Gasoline 312 A3.000
FIAT PUNTO (199_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
PUNTO (199_) 2012-01-01 - 1747 cc 97 KW 132 HP 4 Cylinders Benzina/Etanolo 370 A0.011
PUNTO (199_) 2012-01-01 - 1368 cc 63 KW 86 HP 4 Cylinders Benzina/Etanolo 310 A2.011
PUNTO (199_) 2012-01-01 - 1368 cc 112 KW 152 HP 4 Cylinders Gasoline 198 A1.000
PUNTO (199_) 2012-03-01 - 875 cc 63 KW 86 HP 2 Cylinders Benzina/Gasauto (GPL) 312 A2.000
PUNTO (199_) 2012-03-01 - 1368 cc 77 KW 105 HP 4 Cylinders Gasoline 955 A6.000
PUNTO (199_) 2012-03-01 - 1368 cc 57 KW 78 HP 4 Cylinders Gasoline 350 A1.000
PUNTO (199_) 2012-03-01 - 1242 cc 51 KW 69 HP 4 Cylinders Gasoline 169 A4.000
PUNTO (199_) 2012-03-01 - 1368 cc 55 KW 75 HP 4 Cylinders Gasoline 199 A7.000
PUNTO (199_) 2012-03-01 - 875 cc 63 KW 86 HP 2 Cylinders Gasoline 312 A2.000
PUNTO (199_) 2012-03-01 - 1248 cc 55 KW 75 HP 4 Cylinders Diesel 199 A2.000
PUNTO (199_) 2012-03-01 - 1248 cc 55 KW 75 HP 4 Cylinders Diesel 199 A9.000
PUNTO (199_) 2012-03-01 - 1248 cc 62 KW 84 HP 4 Cylinders Diesel 199 B4.000
PUNTO (199_) 2012-03-01 - 1368 cc 99 KW 135 HP 4 Cylinders Gasoline 955 A2.000
PUNTO (199_) 2012-03-01 - 1248 cc 70 KW 95 HP 4 Cylinders Diesel 199 B1.000
PUNTO (199_) 2012-03-01 - 1248 cc 70 KW 95 HP 4 Cylinders Diesel 330 A1.000
PUNTO (199_) 2012-03-01 - 1368 cc 57 KW 78 HP 4 Cylinders Benzina/Gas naturale (GNC) 350 A1.000
PUNTO (199_) 2012-03-01 - 1368 cc 57 KW 78 HP 4 Cylinders Benzina/Gasauto (GPL) 350 A1.000
PUNTO (199_) 2012-03-01 - 1368 cc 64 KW 87 HP 4 Cylinders Gasoline 327 A.011
PUNTO (199_) 2012-03-01 - 1368 cc 65 KW 88 HP 4 Cylinders Benzina/Etanolo 310 A2.011
PUNTO (199_) 2012-09-01 - 1368 cc 101 KW 137 HP 4 Cylinders Gasoline 955 A2.000
PUNTO (199_) 2013-07-01 - 875 cc 77 KW 105 HP 2 Cylinders Gasoline 199 B6.000
PUNTO (199_) 2013-12-01 - 875 cc 74 KW 101 HP 2 Cylinders Gasoline 199 B6.000
PUNTO (199_) 2013-12-01 - 875 cc 74 KW 101 HP 2 Cylinders Gasoline 199 B7.000
PUNTO (199_) 2013-12-01 - 1248 cc 59 KW 80 HP 4 Cylinders Diesel 199 B8.000
PUNTO (199_) 2014-02-01 - 1242 cc 49 KW 67 HP 4 Cylinders Gasoline 199 B9.000
PUNTO (199_) 2014-10-01 - 1598 cc 86 KW 117 HP 4 Cylinders Benzina/Etanolo 310 A5.011
FIAT PUNTO EVO (199_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
PUNTO EVO (199_) 2008-07-01 - 2012-02-01 1248 cc 51 KW 69 HP 4 Cylinders Diesel 199 B2.000
PUNTO EVO (199_) 2009-06-01 - 2012-02-01 1368 cc 57 KW 78 HP 4 Cylinders Benzina/Gasauto (GPL) 350 A1.000
PUNTO EVO (199_) 2009-07-01 - 2012-02-01 1368 cc 55 KW 75 HP 4 Cylinders Gasoline 199 A7.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1368 cc 57 KW 78 HP 4 Cylinders Benzina/Gas naturale (GNC) 350 A1.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1248 cc 62 KW 84 HP 4 Cylinders Diesel 223 A9.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1248 cc 62 KW 84 HP 4 Cylinders Diesel 199 B4.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1242 cc 51 KW 69 HP 4 Cylinders Gasoline 169 A4.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1242 cc 48 KW 65 HP 4 Cylinders Gasoline 199 A4.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1368 cc 57 KW 77 HP 4 Cylinders Gasoline 350 A1.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1368 cc 77 KW 105 HP 4 Cylinders Gasoline 955 A6.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1368 cc 99 KW 135 HP 4 Cylinders Gasoline 955 A2.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1248 cc 55 KW 75 HP 4 Cylinders Diesel 199 A2.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1248 cc 55 KW 75 HP 4 Cylinders Diesel 199 A9.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1248 cc 70 KW 95 HP 4 Cylinders Diesel 199 B1.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1598 cc 88 KW 120 HP 4 Cylinders Diesel 955 A3.000
PUNTO EVO (199_) 2009-10-01 - 2012-02-01 1248 cc 66 KW 90 HP 4 Cylinders Diesel 199 A3.000
PUNTO EVO (199_) 2010-09-01 - 1248 cc 56 KW 76 HP 4 Cylinders Diesel 199 A2.000
PUNTO EVO (199_) 2010-09-01 - 1248 cc 56 KW 76 HP 4 Cylinders Diesel 199 A9.000
LANCIA
LANCIA YPSILON (843_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
YPSILON (843_) 2003-10-01 - 2011-12-01 1242 cc 44 KW 60 HP 4 Cylinders Gasoline 188 A4.000
YPSILON (843_) 2003-10-01 - 2011-12-01 1242 cc 59 KW 80 HP 4 Cylinders Gasoline 188 A5.000
YPSILON (843_) 2003-10-01 - 2011-12-01 1368 cc 70 KW 95 HP 4 Cylinders Gasoline 843 A 1.000
YPSILON (843_) 2003-10-01 - 2011-12-01 1248 cc 51 KW 70 HP 4 Cylinders Diesel 188 A9.000
YPSILON (843_) 2006-02-01 - 2011-12-01 1368 cc 57 KW 78 HP 4 Cylinders Gasoline 350 A1.000
YPSILON (843_) 2006-09-01 - 2011-12-01 1248 cc 55 KW 75 HP 4 Cylinders Diesel 199 A2.000
YPSILON (843_) 2006-09-01 - 2011-12-01 1248 cc 66 KW 90 HP 4 Cylinders Diesel 199 A3.000
YPSILON (843_) 2007-05-01 - 2011-12-01 1248 cc 77 KW 105 HP 4 Cylinders Diesel 199 A3.000
YPSILON (843_) 2010-08-01 - 2011-12-01 1242 cc 51 KW 69 HP 4 Cylinders Gasoline 169 A4.000
YPSILON (843_) 2010-11-01 - 2011-12-01 1368 cc 57 KW 78 HP 4 Cylinders Benzina/Gasauto (GPL) 350 A1.000
Techinical Info

The Blue&Me control unit with OE code 51943247 is a second-generation multimedia electronic module, internally identified as Lauberhorn. This module was used on various vehicles of the FCA Group (now Stellantis), produced between 2010 and 2012.

It is a version developed as a unified spare part, suitable for multiple models of the Fiat, Lancia, and Alfa Romeo brands. From a hardware perspective, the OE 51943247 control unit is identical to versions with code 5052XXXX, but it is more versatile for applications across multiple brands.

Technical specifications:

  • Manufacturer: Magneti Marelli
  • Bluetooth 2.0 + EDR, supporting profiles hands-free (HFP) and phonebook (PBAP); does not support A2DP for audio streaming
  • USB 2.0 port for multimedia devices
  • AUX input on pre-wired versions
  • 7-pin connector
  • NW140 flash memory
  • Improved compatibility with smartphones and hands-free systems
  • Resolved echo issues present in previous versions

The OE 519XXXXX code is often associated with Fiat and Lancia vehicles, but this module is interchangeable with other second-generation Blue&Me modules, even on Alfa Romeo vehicles.

DIPA can intervene to refurbish this module as well.

Common faults and malfunctions

Over time, the Blue&Me control unit OE 51943247 has exhibited various electronic faults, many of which are attributable to corruption of the internal NAND memory or firmware crashes.

Main symptoms of failure:

  1. Failure to start and absence of Blue&Me logo
    The system does not start when the vehicle is turned on. Cause: firmware crash or NAND damage.
  1. USB port not working
    Devices are not detected and in some cases, charging does not even activate. Often related to internal memory issues.
  1. Unstable or non-functioning Bluetooth
    The module overheats and stops working, causing connection difficulties or continuous disconnections during calls.
  1. Error messages on the instrument cluster
    "Blue&Me Unavailable" or "Error Blue&Me" may indicate corrupted memory or failed software update. Attempts to update via USB often fail.
  1. Abnormal battery drain
    The module remains active even with the vehicle off, causing battery discharge within a few days.
  1. Firmware not updatable
    The system may freeze at boot and fail to recognize USB files, even after physical resets such as disconnecting the battery.
  1. Odometer flashing on the dashboard
    A classic symptom of proxy alignment error or communication issues between control units.
  1. Steering wheel commands not working
    The buttons may be physically worn out, or there may be a logical interruption in input management.
  1. Inability to connect for diagnostics
    In case of critical damage, the module may be completely invisible to diagnostic tools.

Recurring symptoms of the OE 51943247 control unit

Summary of the most common problems found on this module:

  • Non-functioning or connection issues with Bluetooth
  • Flashing kilometers on the instrument cluster
  • USB port not operational
  • Abnormal battery drain even after short periods of parking
  • Steering wheel commands not working or partially functional
  • Hands-free absent
  • Inability to complete proxy alignment
  • Lack of communication with the diagnostic tool

Error codes detected during diagnosis

The OE 51943247 control unit can generate a series of error codes, both generic and specific:

Generic codes:

  • 147164, 147180, 147188, 147210, 147216
  • 147247, 147252, 147268
  • 168689, 168697, 168699, 168702, 168703
  • 168713, 168715, 168731, 168743
  • 47204

Specific codes:

  • B1005 – Diagnosis sensor unit
  • B1039 – Dynamic control selector input
  • B10AA – Proxy configuration error
  • P0022 – Convergence control unit node
  • U1602 – CAN bus line error off/intermittent
  • U1701 – Incorrect communication with body computer
  • U1707 – Telecommunication control unit anomaly
  • U1733 – Missing message from telematic system

Conclusion

The Blue&Me control unit OE 51943247 is a versatile module designed for use across multiple FCA Group brands. However, it suffers from recurring electronic issues related to internal memory and software management, which can compromise essential functions.

DIPA supports customers throughout the entire process, from order to after-sales assistance. We can intervene to refurbish these components and restore full functionality, saving on replacement costs and benefiting the environment through circular economy practices.