OBD-II code · Network
U010D Lost Communication With Turbocharger/Supercharger Control Module B
ECU has lost CAN communication with the turbocharger control module B. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
Is it safe to drive with U010D?
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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Turbo Module B, Can Bus
Related codes
- U010CLost Communication With Turbocharger/Supercharger Control Module A
- U010ALost Communication With Exhaust Gas Recirculation Control Module A
- U010BLost Communication With Exhaust Gas Recirculation Control Module B
- U010ELost Communication With Reductant Control Module
- U010FLost Communication With Air Conditioning Control Module
- U0110Lost Communication with Drive Motor Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.