U0247
NetworkModule Communicationmoderate severityLost Communication With Instrument Panel Control Module H
What U0247 Means
Communication was lost with instrument panel control module H on the data bus. Functions managed by this module can become inoperative.
Symptoms
- Warning indicators on
- Panel controls unresponsive
- Intermittent dropouts
Common Causes
- Faulty instrument panel control module H
- Damaged bus wiring
- Poor power or ground
- Corroded connectors
Diagnostic Steps
- Scan for network codes
- Check module H power and ground
- Inspect CAN bus circuit
- Test and replace module H if faulty
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