OBD-II code · Network
U0206 Lost Communication With Folding Top Control Module
ECU lost communication with the folding top control module (convertibles). 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 U0206?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
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
- 0.5–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Folding Top Module, Can Bus
Related codes
- U0203Lost Communication With Door Control Module E
- U0204Lost Communication With Door Control Module F
- U0205Lost Communication With Door Control Module G
- U0207Lost Communication With Moveable Roof Control Module A
- U0208Lost Communication With Seat Control Module A
- U0209Lost Communication With Seat Control Module B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.