U0214
NetworkModule Communicationlow severityLost Communication with Remote Start Module
What U0214 Means
Cannot communicate with the remote start control module.
Symptoms
- Remote start not functioning
- Remote start LED not indicating
- Engine does not crank from remote
- Remote start warning message
Common Causes
- Remote start module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Hood switch open
- Security system conflict
Diagnostic Steps
- Check remote start module fuse
- Test power and ground
- Check CAN wiring
- Verify hood switch closed
- Check for security system DTCs
- Test remote start trigger signal
Where to start: Check fuses and hood switch (must show closed for remote start). Verify no security DTCs present.
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