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.
Affected components
- Vehicle gateway
Common causes
- Medium likelihood: Gateway internally failing
- Low likelihood: Gateway module routing CAN messages incorrectly
- Low likelihood: CAN terminating resistor (120 Ω) drifted out of spec
Possible 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
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.