Network
generic / SAE
U0448
Invalid Data Received from Gateway B
A second gateway component (or sub-gateway) is forwarding implausible data. Cross-segment functions misbehave until the affected gateway is reset or reflashed.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number4 / 48
Possible causes
- Gateway internally failing medium
- 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: hard
- DIY: shop recommended
- Estimated cost: 120–1500 €
- Estimated time: 0.5–6 h
- Component: vehicle gateway
- MIL / check engine light
Sources
References
sae:J2012