OBD-II code · Network
U061E Lost Communication With Battery Isolation/Voltage Stabilization Control Module
The vehicle bus reports loss of communication with the battery isolation / voltage stabilization module (typical in start/stop systems). Cranking voltage stabilization and second-battery switching cannot be commanded.
Is it safe to drive with U061E?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBus wiring open or shorted
- PossibleModule without power or ground
- PossibleModule failed
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Battery Isolation Module, Vehicle Bus Wiring
Related codes
- U061BLost Communication With Reductant Level Sensor C
- U061CLost Communication With Reductant Temperature Sensor A
- U061DLost Communication With Reductant Temperature Sensor B
- U061FLost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 1
- U0620Lost Communication With Exhaust Gas Temperature Sensor Bank 1 Sensor 2
- U0621Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.