Important Notice

Blue&Me Fiat 500 Alfa 159 Lancia Delta

DiPa Code:
BLUEME002R
OEM Code:
51946545
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 159 (939_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
159 (939_) 2005-06-01 - 2011-11-01 1796 cc 103 KW 140 HP 4 Cylinders Gasoline 939 A4.000
159 (939_) 2005-09-01 - 2011-11-01 1859 cc 118 KW 160 HP 4 Cylinders Gasoline 939 A6.000
159 (939_) 2005-09-01 - 2011-11-01 1910 cc 85 KW 115 HP 4 Cylinders Diesel 939 A7.000
159 (939_) 2005-09-01 - 2011-11-01 1910 cc 85 KW 115 HP 4 Cylinders Diesel 937 A7.000
159 (939_) 2005-09-01 - 2011-11-01 1910 cc 100 KW 136 HP 4 Cylinders Diesel 939 A8.000
159 (939_) 2005-09-01 - 2011-11-01 2387 cc 147 KW 200 HP 5 Cylinders Diesel 939 A3.000
159 (939_) 2005-09-01 - 2011-11-01 1910 cc 110 KW 150 HP 4 Cylinders Diesel 939 A2.000
159 (939_) 2005-09-01 - 2011-11-01 1910 cc 88 KW 120 HP 4 Cylinders Diesel 939 A1.000
159 (939_) 2005-09-01 - 2011-11-01 2198 cc 136 KW 185 HP 4 Cylinders Gasoline 939 A5.000
159 (939_) 2005-09-01 - 2011-11-01 1910 cc 100 KW 136 HP 4 Cylinders Diesel 937 A8.000
159 (939_) 2005-12-01 - 2011-11-01 3195 cc 191 KW 260 HP 6 Cylinders Gasoline 939 A.000
159 (939_) 2006-09-01 - 2007-12-01 2198 cc 136 KW 185 HP 4 Cylinders Gasoline 939 A5.000
159 (939_) 2007-05-01 - 2011-11-01 2387 cc 154 KW 210 HP 5 Cylinders Diesel 939 A9.000
159 (939_) 2007-07-01 - 2011-11-01 2387 cc 154 KW 210 HP 5 Cylinders Diesel 939 A9.000
159 (939_) 2008-01-01 - 2011-11-01 3195 cc 191 KW 260 HP 6 Cylinders Gasoline 939 A.000
159 (939_) 2009-05-01 - 2011-11-01 1956 cc 120 KW 163 HP 4 Cylinders Diesel 844 A2.000
159 (939_) 2009-05-01 - 2011-11-01 1956 cc 125 KW 170 HP 4 Cylinders Diesel 939 B3.000
159 (939_) 2009-05-01 - 2012-12-01 1742 cc 147 KW 200 HP 4 Cylinders Gasoline 939 B1.000
159 (939_) 2010-06-01 - 2011-11-01 1956 cc 100 KW 136 HP 4 Cylinders Diesel 939 B4.000
ALFA ROMEO 159 Sportwagon (939_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
159 Sportwagon (939_) 2005-06-01 - 2011-11-01 1796 cc 103 KW 140 HP 4 Cylinders Gasoline 939 A4.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 1910 cc 110 KW 150 HP 4 Cylinders Diesel 939 A2.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 2387 cc 147 KW 200 HP 5 Cylinders Diesel 939 A3.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 3195 cc 191 KW 260 HP 6 Cylinders Gasoline 939 A.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 2198 cc 136 KW 185 HP 4 Cylinders Gasoline 939 A5.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 1859 cc 118 KW 160 HP 4 Cylinders Gasoline 939 A6.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 1910 cc 100 KW 136 HP 4 Cylinders Diesel 937 A8.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 1910 cc 85 KW 115 HP 4 Cylinders Diesel 937 A7.000
159 Sportwagon (939_) 2006-03-01 - 2011-11-01 1910 cc 88 KW 120 HP 4 Cylinders Diesel 939 A1.000
159 Sportwagon (939_) 2007-05-01 - 2011-11-01 2387 cc 154 KW 210 HP 5 Cylinders Diesel 939 A9.000
159 Sportwagon (939_) 2007-05-01 - 2012-12-01 2387 cc 154 KW 210 HP 5 Cylinders Diesel 939 A9.000
159 Sportwagon (939_) 2008-02-01 - 2011-11-01 3195 cc 191 KW 260 HP 6 Cylinders Gasoline 939 A.000
159 Sportwagon (939_) 2009-05-01 - 2011-11-01 1956 cc 120 KW 163 HP 4 Cylinders Diesel 844 A2.000
159 Sportwagon (939_) 2009-07-01 - 2011-11-01 1956 cc 125 KW 170 HP 4 Cylinders Diesel 939 B3.000
159 Sportwagon (939_) 2009-07-01 - 2011-11-01 1742 cc 147 KW 200 HP 4 Cylinders Gasoline 939 B1.000
159 Sportwagon (939_) 2010-06-01 - 2011-11-01 1956 cc 100 KW 136 HP 4 Cylinders Diesel 939 B4.000
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 - 1248 cc 55 KW 75 HP 4 Cylinders Diesel 169 A1.000
500 (312_) 2007-10-01 - 1368 cc 74 KW 100 HP 4 Cylinders Gasoline 169 A3.000
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 312 B1.000
500 (312_) 2009-12-01 - 1248 cc 70 KW 95 HP 4 Cylinders Diesel 199 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 - cc 83 KW 113 HP Cylinders Elettrico E99
500 (312_) 2012-09-01 - 964 cc 48 KW 65 HP 2 Cylinders Gasoline 312 A4.000
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
500 (312_) 2016-06-01 - 1248 cc 57 KW 78 HP 4 Cylinders Diesel 312 B5.000
500 (312_) 2020-01-01 - 999 cc 51 KW 69 HP 3 Cylinders Benzina/Elettrico 463 41 162
LANCIA
LANCIA DELTA III (844_)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
DELTA III (844_) 2008-08-01 - 2014-08-01 1598 cc 85 KW 116 HP 4 Cylinders Diesel 955 A4.000
DELTA III (844_) 2008-09-01 - 2014-08-01 1956 cc 121 KW 165 HP 4 Cylinders Diesel 198 A8.000
DELTA III (844_) 2008-09-01 - 2014-08-01 1956 cc 121 KW 165 HP 4 Cylinders Diesel 198 A5.000
DELTA III (844_) 2008-09-01 - 2014-08-01 1598 cc 88 KW 120 HP 4 Cylinders Diesel 198 A2.000
DELTA III (844_) 2008-09-01 - 2014-08-01 1368 cc 110 KW 150 HP 4 Cylinders Gasoline 198 A1.000
DELTA III (844_) 2008-09-01 - 2014-08-01 1368 cc 88 KW 120 HP 4 Cylinders Gasoline 198 A4.000
DELTA III (844_) 2008-09-01 - 2014-08-01 1956 cc 120 KW 163 HP 4 Cylinders Diesel 844 A2.000
DELTA III (844_) 2009-01-01 - 2014-08-01 1742 cc 147 KW 200 HP 4 Cylinders Gasoline 939 B1.000
DELTA III (844_) 2009-01-01 - 2014-08-01 1910 cc 140 KW 190 HP 4 Cylinders Diesel 844 A1.000
DELTA III (844_) 2010-07-01 - 2014-08-01 1368 cc 103 KW 140 HP 4 Cylinders Gasoline 198 A7.000
DELTA III (844_) 2011-04-01 - 2014-08-01 1598 cc 77 KW 105 HP 4 Cylinders Diesel 844 A3.000
DELTA III (844_) 2011-07-01 - 2014-08-01 1368 cc 88 KW 120 HP 4 Cylinders Benzina/Gasauto (GPL) 198 A4.000
Techinical Info

The Blue control unit&Me with OE code 51946545 è a multimedia electronic module of second generationinternally identified by the name Lauberhorn. This module è has been used on various vehicles of the FCA Group (now Stellantis)produced between 2010 and 2012.

It is a version developed as a unified replacementcompatible with multiple models of the brands Fiat, Lancia, and Alfa Romeo. From a hardware perspective, the OE control unit 51946545 è identical to the versions with code 5052XXXX, but it is moreù versatile for applications on moreù brands.

Technical specifications:

  • Manufacturer: Magneti Marelli
  • Bluetooth 2.0 + EDRwith support for profiles hands-free (HFP) and address book (PBAP); does not support A2DP for audio streaming
  • USB port 2.0 for multimedia devices
  • AUX input on equipped versions
  • Connector with 7 pins
  • Flash memory NW140
  • Improved compatibilityà with smartphones and hands-free systems
  • Resolution of the issue of’echo present in previous versions

Model applications

ALFA ROMEO

  • ALFA ROMEO 159 (939_)
  • ALFA ROMEO 159 Sportwagon (939_)

FIAT

  • FIAT 500 (312_)

LANCIA

  • LANCIA DELTA III (844_)

DIPA può to intervene to also review this module.

Frequent faults and malfunctions

Over time, the Blue control unit&Me OE 51946545 it has manifested several electronic defects, many of which are attributable to corruption of the internal NAND memory or to firmware crash.

Main failure symptoms:

  1. Failure to start and absence of the Blue&Me

The system does not start when the vehicle is turned on. Cause: firmware crash or damage to the NAND.

  1. Non-functional USB port

The devices are not detected and in some cases the charging does not even activate. Often related to internal memory issues.

  1. Unstable or non-functioning Bluetooth

The module overheats and stops working, causing difficultiesà in connection or continuous disconnection during calls.

  1. Error messages’on the instrument panel

“Blue&Me Unavailable” or “Error Blue&Me” They may indicate corrupted memory or failed software update. The attempt to update via USB often fails.

  1. Abnormal battery drain

The module remains active even with the vehicle off, causing battery discharge in a few days.

  1. Firmware not updatable

The system canò freeze alreadyà at boot and not recognize USB files, even after physical resets like disconnecting the battery.

  1. Flashing of km on the dashboard

Classic symptom of proxy alignment error or communication between control units.

  1. Steering wheel controls not functioning

The buttons may be physically worn, or there is a’logical interruption in input management.

  1. Inabilityà to connect for diagnostics

In case of critical damage, the module mayò be completely invisible to diagnostic tools.

Recurring symptoms of the OE control unit 51946545

Summary of the mostù common issues found with this module:

  • Bluetooth not working or having connection issues
  • Flashing km on the instrument panel
  • USB port not operational
  • Abnormal battery drain even after short periods of inactivity
  • Steering wheel controls not working or partially functioning
  • Missing hands-free
  • Unableà to complete the’proxy alignment
  • Lack of communication with the diagnostic tool

Error codes detected in diagnostics

The OE control unit 51946545 canò 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 – Unità diagnostic sensor
  • B1039 – Dynamic control selector input
  • B10AA – Proxy configuration error
  • P0022 – Central unit node Convergence
  • U1602 – CAN bus line error off/intermittent
  • U1701 – Incorrect communication with body computer
  • U1707 – Anomaly in the info-telematic control unit
  • U1733 – Missing message from the telematics system

Conclusion

The Blue control unit&Me OE 51946545 è a versatile module designed for’use on moreù brands of the FCA Group. However, it suffers from recurring electronic issues related to internal memory and software management, which can compromise fundamental functions.

DIPA supports customers throughout the entire relationship phase, from’order to’after-sales support. Youò intervene to revise these components and restore them to full functionalityàwith cost savings on replacement and a benefit for the’environment thanks to’circular economy.