Bluetooth module reset (RN-42)
The onboard Bluetooth module (RN-42) did not exit command mode and was reset via its reset pin — a benign comms retry. Logged as 'Turn off command mode on RN-42 failed after N retries, toggling reset pin'.
What it means
The onboard Bluetooth module (RN-42) did not exit command mode and was reset via its reset pin — a benign comms retry. Logged as 'Turn off command mode on RN-42 failed after N retries, toggling reset pin'.
Informational — Normal operation events, no action required.
Likely causes
- Normal Bluetooth module recovery
- The phone link dropped during a handshake
What to do
- 1Harmless — affects only the phone Bluetooth link, not riding or charging
- 2No rider action needed
Which bikes use this table
Recorded in the binary log rather than shown on the dash — every generation writes them.
Related codes
Other log file Communication (CAN) codes:
Dashboard codes for the same subsystem:
Questions
What does "Bluetooth module reset (RN-42)" mean in a Zero log?
The onboard Bluetooth module (RN-42) did not exit command mode and was reset via its reset pin — a benign comms retry. Logged as 'Turn off command mode on RN-42 failed after N retries, toggling reset pin'. It is written by the MBB. It is classed as informational: normal operation events, no action required.
What should I do about it?
Harmless — affects only the phone Bluetooth link, not riding or charging. No rider action needed.
See when this actually happened on your bike
A dash code tells you the fault; the log tells you the pack temperature, the state of charge and the ten minutes leading up to it.
Sources:
Community reference: ZeroManual wiki entry
The code and its name are transcribed from Zero's own owner manuals; the severity, category and troubleshooting notes are ours. For official diagnostics, consult an authorized Zero Motorcycles dealer.