dtr_101
Moderate
Rivian · Trucks & SUVs
Onboard Charger Communication Lost
Quick Answer
Error code DTR_101 on your Rivian Trucks & SUVs means: Onboard Charger Communication Lost. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Power cycle the vehicle by turning off and waiting 2 minutes
2
Disconnect external power and reconnect charging cable securely
3
Attempt to charge again; if error clears, no further action needed
4
Check for loose connections under vehicle near charger module
5
If problem persists, schedule service for onboard charger inspection
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Onboard Charger Module (if faulty)
Power Connectors
CAN Bus Transceiver
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