Pinpoint Test D : U0164: Notes
DTC Fault Trigger Condition-PCM
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0164 | Lost Communication With HVAC Control Module | The PCM sets this DTC if data messages from the HVAC control module through the BCM are missing. |
Normal Operation and Fault Conditions
REFER to: Communications Network - System Operation and Component Description .
Possible Sources
- Communications network concern
- HVAC control module
- BCM
- PCM