What It Means
Lost communication with Bluetooth module (BTM).
Carrier Heat Pump
Carrier Heat Pump Error Code 17-06
Troubleshooting guide for the Carrier Heat Pump system fault 17-06.
Possible Causes
- Loose or damaged Bluetooth module connector/wiring.
- Transient communication glitch (power cycle to clear).
- Faulty Bluetooth module hardware.
Not sure which one it is — or if it's none of these? Try ACLogics today.
Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.
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Full Diagnosis
Lost BTM Communication. Lost communication with the Bluetooth module; service app will not connect while active.
All Recorded Causes
Check Bluetooth module wiring and connector on PCM. Power cycle the unit to reset communication. Verify Bluetooth module is properly seated and not damaged. Replace Bluetooth module if communication not restored.
Verify Before Replacing Parts
- Confirm the exact Carrier model family and heat pumps context before acting on a generic code description.
- Confirm board LEDs, wiring polarity, and model compatibility before replacing control boards — this Carrier fault points at check Bluetooth module wiring and connector on PCM.
- Check for intermittent communication faults caused by connectors, moisture, or damaged harnesses, and rule out power cycle the unit to reset communication.
- After the correction, run the system long enough to confirm the heat pumps fault does not return under normal load.
Still unsure about this fault?
ACLogics walks you through Carrier Heat Pump diagnostics step-by-step — so you confirm the cause before swapping parts.
