U0311moderate severityNetwork
Software Incompatibility With Body Control Module C
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
Body control module C software does not match other modules on the network. This can affect various electrical systems.
Symptoms
- Accessory malfunctions
- Warning lights on dash
- Erratic electrical operation
Common causes
- Mismatched module software version
- Module replaced without programming
- Incomplete software update
- Failed body control module C
Diagnostic steps
- Verify software versions across modules
- Compare to manufacturer specs
- Reflash module with correct software
- Retest system operation
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus