OBD-II code · Network
U015D Lost Communication With Automated Driving System Control Module B
Lost Communication With Automated Driving System Control Module B: the control module has detected this fault condition.
Is it safe to drive with U015D?
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
- 1–8 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Ads Module B, Can Bus
Related codes
- U015CLost Communication With Automated Driving System Control Module A
- U015ALost Communication With Anti-Lock Brake System (ABS) Control Module B
- U015BLost Communication With Power Steering Control Module B
- U015ELost Communication With Automated Driving System Interface Module A
- U015FLost Communication With Automated Driving System Interface Module B
- U0160Lost Communication with Audible Alert Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.