BECM (Battery Energy Control Module) Software Update Available (TJ 33931.6.1)
Publication date: 2019-07-15Reference number: TJ 33931.6.1
Supersedes refnos: TJ 33931.3.0, TJ 33931.4.0, TJ 33931.5.0, TJ 33931.5.1, TJ 33931.6.0
BECM (BATTERY ENERGY CONTROL MODULE) SOFTWARE UPDATE AVAILABLE
TECHNICAL SERVICE BULLETIN
| VOLVO: | All Models |
| FUNC GROUP: | 3113 |
| FUNC DESC: | Battery, high voltage |
ATTACHMENT
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VEHICLE TYPE
| Type | Eng | Eng Desc | Sales | Body | Gear | Steer | Model Year | Plant | Chassis range | Struc Week Range |
|---|---|---|---|---|---|---|---|---|---|---|
| 2XX | BA | 2016-2019 | - | 201526-201839 | ||||||
| 2XX | BC | 2016-2019 | - | 201526-201839 | ||||||
| 2XX | BM | 2018-2019 | - | 201717-201839 | ||||||
| 2XX | BR | 2018-2019 | - | 201717-201839 |
CSC CUSTOMER SYMPTOM CODES
| Code | Description |
|---|---|
| YS | Drive mode "HYBRID"/Combustion engine active/Always/too often |
| 53 | Driving, Twin Engine/Propulsion using electric motor not possible |
| 55 | Driving, Twin Engine/Propulsion using combustion engine/Always active/Active too often |
| YN | High voltage battery/Discharged/poor charge |
| YL | On board charger/No/reduced/incorrect function/With external cable |
| YM | On board charger/No/reduced/incorrect function/While driving |
| FB | Text window and warning symbol/Other problems |
| DL | Warning lights and chimes/Malfunction Indicator Light ("Check engine" light) indication/no indication |
VST OPERATION NUMBER
| VST Operation Number | Description |
|---|---|
| 36004-2 | Software control module downloading |
| 31116-2 | Battery, connection and disconnection |
DTC DIAGNOSTIC TROUBLE CODES
| Control Module | Code | Fault Type |
|---|---|---|
| BECM | P0CA400 | Intermittent |
| BECM | U029A00 | Intermittent |
| BECM | P0DAF00 | Intermittent |
| BECM | P0DB300 | Intermittent |
| BECM | P0DB700 | Intermittent |
| BECM | P0DBB00 | Intermittent |
| BECM | P0DBF00 | Intermittent |
| BECM | P0DC300 | Intermittent |
| BECM | P0C4200 | Intermittent |
| BECM | P0C7600 | Intermittent |
Rows beginning with * are modified
TEXT
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DESCRIPTION
*Noted software update must be performed before Software Product is applied Updated battery energy control module software is now available via a Software Product.
This software addresses the following issues:
- P0C7600, System Discharge Time Too Long
- P0CA400, Charging Voltage High
- U029A00, Lost Communication with Sensor Module
- One or more of the above diagnostic trouble codes in combination with one or more Cell Balance diagnostic trouble codes (P0B3B00, P0B4000, P0B4500, P0B4A00, P0B4F00, P0B5400)
- Irregular or low electrical distance shown in driver information module.
SERVICE
*Update vehicle software as per TJ 31543, then load software product (SP):
XC90/XC60: 31483293
S90/V90: 31682449
S90L:31472419
S60/V60: 32267765
For issue 5 above, it may be necessary to perform a 12V battery reset after loading the software. Disconnect 12 volt battery, wait approx. 20 minutes and connect it again.
This updated software will be included in additional Software products in the future, such as Total Upgrade & battery energy control module upgrade.
*Until that time, Total Upgrades, Predelivery Software and Service 2.0 software will overwrite this software. Please reload this SP if one of these packages is necessary.
WARRANTY CLAIM INFO
To get warranty claim accepted for a job described in this TJ, please use following data: VST OP number 36004-2 Software control module downloading, 31116-2 Battery, connection and disconnection
VEHICLE REPORT
Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use concern area "Vehicle Report" and sub concern area "Support needed", use function group 3113.