Network
generic / SAE
U011F
Lost Communication With V2X Module
ECU lost CAN communication with the V2X (vehicle-to-everything) module. Connected/cooperative driving features degraded.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number1 / 1F
Possible causes
- Module unpowered high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–1200 €
- Estimated time: 1–4 h
- Component: v2x module
- Component: can bus
- MIL / check engine light
- drive cycle required
Sources
References
sae:J2012