OBD-II code · Network
U011E Lost Communication With Throttle Actuator B Control Module
ECU lost CAN communication with throttle actuator B control module. A communication loss with this module breaks any function relying on its data — diagnostic tools may show 'no response' and dependent modules can fall into limp mode.
Is it safe to drive with U011E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule unpowered
- Less likelyGateway module routing CAN messages incorrectly
- Less likelyCAN terminating resistor (120 Ω) drifted out of spec
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- Parts involved
- Throttle Actuator B Module, Can Bus
Related codes
- U011BLost Communication With Rocker Arm Control Module A
- U011CLost Communication With Rocker Arm Control Module B
- U011DLost Communication With All Wheel Drive Control Module
- U011FLost Communication With V2X Module
- U0120Lost Communication with Starter/Generator Control Module
- U0121Lost Communication with ABS Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.