(TA365-1017) BCM looses VIN
| TECHNICAL ADVICE - Quick information for your help | |
| Bulletin Nbr: | TA365-1017 |
| Date: ........... | November 2010 |
| Market: | All |
| BCM looses VIN |
| VEHICLES CONCERNED |
Saab 9-3 MY11.
| BACKGROUND |
In some cases the EEPROM of the BCM-ECU can lose its memory.
After battery disconnect (or power lost for other reason) the settings for the module is lost.
Next ignition cycle Diagnostic Trouble Codes (DTC) are set:
B1016 VIN not programmed
B1001 ECU performance; Vehicle configuration
B3900 No immobiliser identifier learned
B3057 No Security Code programmed
B3812 Content Theft System erratic
| CONDITIONS |
Battery replacement or disconnected and reconnected.
| SYMPTOM DESCRIPTION |
Issues with the following:
| • |
Theft Alarm
|
|
| • |
Seatbelt reminder
|
|
| • |
Alarm
|
|
| • |
Power door locks
|
|
| • |
Comfort open/close
|
|
| • |
Sport mode
|
|
| ACTION |
| 1. |
Disconnect battery.
|
|
| 2. |
Wait 10 seconds.
|
|
| 3. |
Reconnect battery.
|
|
| 4. |
Connect TECH2 and read out VIN number from BCM, see below.
|
|
| 4.1. |
Diagnostics
|
| 4.2. |
Select model year
|
| 4.3. |
All
|
| 4.4. |
ECU-information
|
| 4.5. |
BCM
|
If VIN number exists in the BCM, the vehicle is OK. No further action.
If VIN number is lost ---> Replace BCM.
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