Lost Communication with Body Control Module B
2013-2021 Peugeot 308 1.2L I3 PureTech 🇩🇪
Description
Cannot communicate with the secondary body control module.
Symptoms
- Partial body electronics failure
- Some lights not working
- Partial lock/unlock failure
- Specific body features down
Common Causes
- BCM B failure
- CAN bus wiring issue
- Module power loss
- Fuse blown
- Water damage
Diagnostic Steps
- Check BCM B fuse
- Test power and ground
- Check CAN wiring
- Inspect for water damage
- Check BCM B connector
Repair Notes
Check fuses and look for water intrusion. Secondary BCMs are common on larger vehicles.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0142 on Other Vehicles
Peugeot 108
2014-2021 1.0L I3 VTi 72
Peugeot 108
2014-2021 1.2L I3 PureTech 82
Peugeot 2008
2019-2024 1.2L I3 PureTech
Peugeot 2008
2019-2024 Electric
Peugeot 2008
2019-2025 1.2L I3 Turbo PureTech 130
Peugeot 2008
2020-2025 Electric e-2008 50kWh
Peugeot 2008 PL
2019-2025 1.2L I3 Turbo PureTech 130
Peugeot 2008 PL
2019-2025 1.5L I4 Diesel BlueHDi 110
Common Questions
What does code U0142 mean on a 2013-2021 Peugeot 308?
U0142 stands for "Lost Communication with Body Control Module B". Cannot communicate with the secondary body control module.
What are the symptoms of U0142 on a Peugeot 308?
Common symptoms of U0142 include: Partial body electronics failure, Some lights not working, Partial lock/unlock failure, Specific body features down.
What causes U0142 on a 2013-2021 Peugeot 308?
Common causes of U0142 include: BCM B failure, CAN bus wiring issue, Module power loss, Fuse blown, Water damage.