U0164
NetworkModule Communicationlow severityLost Communication with HVAC Control Module
What U0164 Means
Cannot communicate with the climate control module.
Symptoms
- Climate control not working
- No A/C
- Fan not responding
Common Causes
- HVAC module failure
- Fuse
- CAN bus
- Wiring
Diagnostic Steps
- Check fuses
- Test power
- Check CAN wiring
Where to start: Check fuses and power supply.
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✓ Autel official store
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